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Finding the Fourth Proportional to 292,000.79, 402,933.07 and 177,342.18

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Solution

The fourth proportional to 292,000.79, 402,933.07 and 177,342.18 is: 244,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,000.79 : 402,933.07 = 177,342.18 : x
  2. Step 2: Convert to fraction form
    292,000.79/402,933.07 = 177,342.18/x
  3. Step 3: Cross multiply
    292,000.79x = 402,933.07 × 177,342.18
  4. Step 4: Simplify right side
    292,000.79x = 71,457,029,027.89
  5. Step 5: Solve for x
    x = 71,457,029,027.89/292,000.79
  6. Step 6: Final answer
    x = 244,715.19

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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.