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Finding the Fourth Proportional to 237,806.48, 328,172.87 and 130,374.21

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Solution

The fourth proportional to 237,806.48, 328,172.87 and 130,374.21 is: 179,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,806.48 : 328,172.87 = 130,374.21 : x
  2. Step 2: Convert to fraction form
    237,806.48/328,172.87 = 130,374.21/x
  3. Step 3: Cross multiply
    237,806.48x = 328,172.87 × 130,374.21
  4. Step 4: Simplify right side
    237,806.48x = 42,785,277,646.94
  5. Step 5: Solve for x
    x = 42,785,277,646.94/237,806.48
  6. Step 6: Final answer
    x = 179,916.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.