Home / 447,288.08-671,077.90-210,654.68

Finding the Fourth Proportional to 447,288.08, 671,077.90 and 210,654.68

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Solution

The fourth proportional to 447,288.08, 671,077.90 and 210,654.68 is: 316,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,288.08 : 671,077.90 = 210,654.68 : x
  2. Step 2: Convert to fraction form
    447,288.08/671,077.90 = 210,654.68/x
  3. Step 3: Cross multiply
    447,288.08x = 671,077.90 × 210,654.68
  4. Step 4: Simplify right side
    447,288.08x = 141,365,700,279.57
  5. Step 5: Solve for x
    x = 141,365,700,279.57/447,288.08
  6. Step 6: Final answer
    x = 316,050.68

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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.