Home / 240,044.31-360,120.08-90,285.89

Finding the Fourth Proportional to 240,044.31, 360,120.08 and 90,285.89

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Solution

The fourth proportional to 240,044.31, 360,120.08 and 90,285.89 is: 135,448.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,044.31 : 360,120.08 = 90,285.89 : x
  2. Step 2: Convert to fraction form
    240,044.31/360,120.08 = 90,285.89/x
  3. Step 3: Cross multiply
    240,044.31x = 360,120.08 × 90,285.89
  4. Step 4: Simplify right side
    240,044.31x = 32,513,759,677.64
  5. Step 5: Solve for x
    x = 32,513,759,677.64/240,044.31
  6. Step 6: Final answer
    x = 135,448.99

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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.