Home / 434,182.20-651,280.02-153,503.16

Finding the Fourth Proportional to 434,182.20, 651,280.02 and 153,503.16

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Solution

The fourth proportional to 434,182.20, 651,280.02 and 153,503.16 is: 230,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,182.20 : 651,280.02 = 153,503.16 : x
  2. Step 2: Convert to fraction form
    434,182.20/651,280.02 = 153,503.16/x
  3. Step 3: Cross multiply
    434,182.20x = 651,280.02 × 153,503.16
  4. Step 4: Simplify right side
    434,182.20x = 99,973,541,114.86
  5. Step 5: Solve for x
    x = 99,973,541,114.86/434,182.20
  6. Step 6: Final answer
    x = 230,257.12

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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.