Home / 307,623.40-461,435.10-255,783.40

Finding the Fourth Proportional to 307,623.40, 461,435.10 and 255,783.40

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Solution

The fourth proportional to 307,623.40, 461,435.10 and 255,783.40 is: 383,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,623.40 : 461,435.10 = 255,783.40 : x
  2. Step 2: Convert to fraction form
    307,623.40/461,435.10 = 255,783.40/x
  3. Step 3: Cross multiply
    307,623.40x = 461,435.10 × 255,783.40
  4. Step 4: Simplify right side
    307,623.40x = 118,027,438,757.34
  5. Step 5: Solve for x
    x = 118,027,438,757.34/307,623.40
  6. Step 6: Final answer
    x = 383,675.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.