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Finding the Fourth Proportional to 652,278.40, 978,312.72 and 178,853.92

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Solution

The fourth proportional to 652,278.40, 978,312.72 and 178,853.92 is: 268,252.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,278.40 : 978,312.72 = 178,853.92 : x
  2. Step 2: Convert to fraction form
    652,278.40/978,312.72 = 178,853.92/x
  3. Step 3: Cross multiply
    652,278.40x = 978,312.72 × 178,853.92
  4. Step 4: Simplify right side
    652,278.40x = 174,975,064,957.86
  5. Step 5: Solve for x
    x = 174,975,064,957.86/652,278.40
  6. Step 6: Final answer
    x = 268,252.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.