Home / 510,622.83-766,047.98-155,664.50

Finding the Fourth Proportional to 510,622.83, 766,047.98 and 155,664.50

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Solution

The fourth proportional to 510,622.83, 766,047.98 and 155,664.50 is: 233,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,622.83 : 766,047.98 = 155,664.50 : x
  2. Step 2: Convert to fraction form
    510,622.83/766,047.98 = 155,664.50/x
  3. Step 3: Cross multiply
    510,622.83x = 766,047.98 × 155,664.50
  4. Step 4: Simplify right side
    510,622.83x = 119,246,472,341.63
  5. Step 5: Solve for x
    x = 119,246,472,341.63/510,622.83
  6. Step 6: Final answer
    x = 233,531.42

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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.