Home / 237,836.68-328,217.81-130,406.45

Finding the Fourth Proportional to 237,836.68, 328,217.81 and 130,406.45

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Solution

The fourth proportional to 237,836.68, 328,217.81 and 130,406.45 is: 179,962.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,836.68 : 328,217.81 = 130,406.45 : x
  2. Step 2: Convert to fraction form
    237,836.68/328,217.81 = 130,406.45/x
  3. Step 3: Cross multiply
    237,836.68x = 328,217.81 × 130,406.45
  4. Step 4: Simplify right side
    237,836.68x = 42,801,717,135.75
  5. Step 5: Solve for x
    x = 42,801,717,135.75/237,836.68
  6. Step 6: Final answer
    x = 179,962.64

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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.