Home / 434,290.74-651,276-149,908.92

Finding the Fourth Proportional to 434,290.74, 651,276 and 149,908.92

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Solution

The fourth proportional to 434,290.74, 651,276 and 149,908.92 is: 224,808.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,290.74 : 651,276 = 149,908.92 : x
  2. Step 2: Convert to fraction form
    434,290.74/651,276 = 149,908.92/x
  3. Step 3: Cross multiply
    434,290.74x = 651,276 × 149,908.92
  4. Step 4: Simplify right side
    434,290.74x = 97,632,081,781.92
  5. Step 5: Solve for x
    x = 97,632,081,781.92/434,290.74
  6. Step 6: Final answer
    x = 224,808.11

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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.