Home / 434,312.74-651,309-149,930.92

Finding the Fourth Proportional to 434,312.74, 651,309 and 149,930.92

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Solution

The fourth proportional to 434,312.74, 651,309 and 149,930.92 is: 224,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,312.74 : 651,309 = 149,930.92 : x
  2. Step 2: Convert to fraction form
    434,312.74/651,309 = 149,930.92/x
  3. Step 3: Cross multiply
    434,312.74x = 651,309 × 149,930.92
  4. Step 4: Simplify right side
    434,312.74x = 97,651,357,574.28
  5. Step 5: Solve for x
    x = 97,651,357,574.28/434,312.74
  6. Step 6: Final answer
    x = 224,841.11

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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.