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Finding the Fourth Proportional to 629,302.86, 943,937 and 155,977.74

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Solution

The fourth proportional to 629,302.86, 943,937 and 155,977.74 is: 233,962.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,302.86 : 943,937 = 155,977.74 : x
  2. Step 2: Convert to fraction form
    629,302.86/943,937 = 155,977.74/x
  3. Step 3: Cross multiply
    629,302.86x = 943,937 × 155,977.74
  4. Step 4: Simplify right side
    629,302.86x = 147,233,159,962.38
  5. Step 5: Solve for x
    x = 147,233,159,962.38/629,302.86
  6. Step 6: Final answer
    x = 233,962.32

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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.