Home / 307,872.20-461,030.70-202,118.60

Finding the Fourth Proportional to 307,872.20, 461,030.70 and 202,118.60

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Solution

The fourth proportional to 307,872.20, 461,030.70 and 202,118.60 is: 302,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,872.20 : 461,030.70 = 202,118.60 : x
  2. Step 2: Convert to fraction form
    307,872.20/461,030.70 = 202,118.60/x
  3. Step 3: Cross multiply
    307,872.20x = 461,030.70 × 202,118.60
  4. Step 4: Simplify right side
    307,872.20x = 93,182,879,641.02
  5. Step 5: Solve for x
    x = 93,182,879,641.02/307,872.20
  6. Step 6: Final answer
    x = 302,667.40

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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.