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Finding the Fourth Proportional to 362,507.60, 500,179.96 and 219,264.57

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Solution

The fourth proportional to 362,507.60, 500,179.96 and 219,264.57 is: 302,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,507.60 : 500,179.96 = 219,264.57 : x
  2. Step 2: Convert to fraction form
    362,507.60/500,179.96 = 219,264.57/x
  3. Step 3: Cross multiply
    362,507.60x = 500,179.96 × 219,264.57
  4. Step 4: Simplify right side
    362,507.60x = 109,671,744,126.10
  5. Step 5: Solve for x
    x = 109,671,744,126.10/362,507.60
  6. Step 6: Final answer
    x = 302,536.40

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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.