Home / 510,220.12-765,440.89-155,224.91

Finding the Fourth Proportional to 510,220.12, 765,440.89 and 155,224.91

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Solution

The fourth proportional to 510,220.12, 765,440.89 and 155,224.91 is: 232,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,220.12 : 765,440.89 = 155,224.91 : x
  2. Step 2: Convert to fraction form
    510,220.12/765,440.89 = 155,224.91/x
  3. Step 3: Cross multiply
    510,220.12x = 765,440.89 × 155,224.91
  4. Step 4: Simplify right side
    510,220.12x = 118,815,489,433.37
  5. Step 5: Solve for x
    x = 118,815,489,433.37/510,220.12
  6. Step 6: Final answer
    x = 232,871.04

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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.