Home / 307,555.20-461,246.40-97,257.60

Finding the Fourth Proportional to 307,555.20, 461,246.40 and 97,257.60

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Solution

The fourth proportional to 307,555.20, 461,246.40 and 97,257.60 is: 145,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,555.20 : 461,246.40 = 97,257.60 : x
  2. Step 2: Convert to fraction form
    307,555.20/461,246.40 = 97,257.60/x
  3. Step 3: Cross multiply
    307,555.20x = 461,246.40 × 97,257.60
  4. Step 4: Simplify right side
    307,555.20x = 44,859,717,872.64
  5. Step 5: Solve for x
    x = 44,859,717,872.64/307,555.20
  6. Step 6: Final answer
    x = 145,859.08

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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.