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Finding the Fourth Proportional to 218,714.74, 328,072.08 and 52,502.74

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Solution

The fourth proportional to 218,714.74, 328,072.08 and 52,502.74 is: 78,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,714.74 : 328,072.08 = 52,502.74 : x
  2. Step 2: Convert to fraction form
    218,714.74/328,072.08 = 52,502.74/x
  3. Step 3: Cross multiply
    218,714.74x = 328,072.08 × 52,502.74
  4. Step 4: Simplify right side
    218,714.74x = 17,224,683,117.50
  5. Step 5: Solve for x
    x = 17,224,683,117.50/218,714.74
  6. Step 6: Final answer
    x = 78,754.10

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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.