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Finding the Fourth Proportional to 447,211.40, 671,594.70 and 237,259.40

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Solution

The fourth proportional to 447,211.40, 671,594.70 and 237,259.40 is: 356,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,211.40 : 671,594.70 = 237,259.40 : x
  2. Step 2: Convert to fraction form
    447,211.40/671,594.70 = 237,259.40/x
  3. Step 3: Cross multiply
    447,211.40x = 671,594.70 × 237,259.40
  4. Step 4: Simplify right side
    447,211.40x = 159,342,155,565.18
  5. Step 5: Solve for x
    x = 159,342,155,565.18/447,211.40
  6. Step 6: Final answer
    x = 356,301.64

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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.