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Finding the Fourth Proportional to 509,524.32, 764,288.32 and 154,541.44

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Solution

The fourth proportional to 509,524.32, 764,288.32 and 154,541.44 is: 231,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,524.32 : 764,288.32 = 154,541.44 : x
  2. Step 2: Convert to fraction form
    509,524.32/764,288.32 = 154,541.44/x
  3. Step 3: Cross multiply
    509,524.32x = 764,288.32 × 154,541.44
  4. Step 4: Simplify right side
    509,524.32x = 118,114,217,547.98
  5. Step 5: Solve for x
    x = 118,114,217,547.98/509,524.32
  6. Step 6: Final answer
    x = 231,812.72

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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.