Home / 434,106.98-651,233.69-149,721.45

Finding the Fourth Proportional to 434,106.98, 651,233.69 and 149,721.45

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Solution

The fourth proportional to 434,106.98, 651,233.69 and 149,721.45 is: 224,607.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,106.98 : 651,233.69 = 149,721.45 : x
  2. Step 2: Convert to fraction form
    434,106.98/651,233.69 = 149,721.45/x
  3. Step 3: Cross multiply
    434,106.98x = 651,233.69 × 149,721.45
  4. Step 4: Simplify right side
    434,106.98x = 97,503,651,607.04
  5. Step 5: Solve for x
    x = 97,503,651,607.04/434,106.98
  6. Step 6: Final answer
    x = 224,607.43

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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.