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Finding the Fourth Proportional to 291,779.84, 402,667.43 and 164,452.70

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Solution

The fourth proportional to 291,779.84, 402,667.43 and 164,452.70 is: 226,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,779.84 : 402,667.43 = 164,452.70 : x
  2. Step 2: Convert to fraction form
    291,779.84/402,667.43 = 164,452.70/x
  3. Step 3: Cross multiply
    291,779.84x = 402,667.43 × 164,452.70
  4. Step 4: Simplify right side
    291,779.84x = 66,219,743,229.96
  5. Step 5: Solve for x
    x = 66,219,743,229.96/291,779.84
  6. Step 6: Final answer
    x = 226,951.06

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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.