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Finding the Fourth Proportional to 356,684.76, 492,144.12 and 241,979.04

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Solution

The fourth proportional to 356,684.76, 492,144.12 and 241,979.04 is: 333,876.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,684.76 : 492,144.12 = 241,979.04 : x
  2. Step 2: Convert to fraction form
    356,684.76/492,144.12 = 241,979.04/x
  3. Step 3: Cross multiply
    356,684.76x = 492,144.12 × 241,979.04
  4. Step 4: Simplify right side
    356,684.76x = 119,088,561,699.25
  5. Step 5: Solve for x
    x = 119,088,561,699.25/356,684.76
  6. Step 6: Final answer
    x = 333,876.23

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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.