Home / 237,890.63-328,258.89-130,432.38

Finding the Fourth Proportional to 237,890.63, 328,258.89 and 130,432.38

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Solution

The fourth proportional to 237,890.63, 328,258.89 and 130,432.38 is: 179,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,890.63 : 328,258.89 = 130,432.38 : x
  2. Step 2: Convert to fraction form
    237,890.63/328,258.89 = 130,432.38/x
  3. Step 3: Cross multiply
    237,890.63x = 328,258.89 × 130,432.38
  4. Step 4: Simplify right side
    237,890.63x = 42,815,588,278.86
  5. Step 5: Solve for x
    x = 42,815,588,278.86/237,890.63
  6. Step 6: Final answer
    x = 179,980.14

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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.