Home / 237,837.28-328,206.56-130,404.80

Finding the Fourth Proportional to 237,837.28, 328,206.56 and 130,404.80

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Solution

The fourth proportional to 237,837.28, 328,206.56 and 130,404.80 is: 179,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,837.28 : 328,206.56 = 130,404.80 : x
  2. Step 2: Convert to fraction form
    237,837.28/328,206.56 = 130,404.80/x
  3. Step 3: Cross multiply
    237,837.28x = 328,206.56 × 130,404.80
  4. Step 4: Simplify right side
    237,837.28x = 42,799,710,815.49
  5. Step 5: Solve for x
    x = 42,799,710,815.49/237,837.28
  6. Step 6: Final answer
    x = 179,953.75

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1.5x scale

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.