Home / 447,342.59-671,309.12-237,128.15

Finding the Fourth Proportional to 447,342.59, 671,309.12 and 237,128.15

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Solution

The fourth proportional to 447,342.59, 671,309.12 and 237,128.15 is: 355,848.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,342.59 : 671,309.12 = 237,128.15 : x
  2. Step 2: Convert to fraction form
    447,342.59/671,309.12 = 237,128.15/x
  3. Step 3: Cross multiply
    447,342.59x = 671,309.12 × 237,128.15
  4. Step 4: Simplify right side
    447,342.59x = 159,186,287,421.41
  5. Step 5: Solve for x
    x = 159,186,287,421.41/447,342.59
  6. Step 6: Final answer
    x = 355,848.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.