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Finding the Fourth Proportional to 155,274.59, 232,898.90 and 42,956.21

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Solution

The fourth proportional to 155,274.59, 232,898.90 and 42,956.21 is: 64,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,274.59 : 232,898.90 = 42,956.21 : x
  2. Step 2: Convert to fraction form
    155,274.59/232,898.90 = 42,956.21/x
  3. Step 3: Cross multiply
    155,274.59x = 232,898.90 × 42,956.21
  4. Step 4: Simplify right side
    155,274.59x = 10,004,454,424.64
  5. Step 5: Solve for x
    x = 10,004,454,424.64/155,274.59
  6. Step 6: Final answer
    x = 64,430.72

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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.