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Finding the Fourth Proportional to 493,353.12, 680,827.32 and 266,998.62

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Solution

The fourth proportional to 493,353.12, 680,827.32 and 266,998.62 is: 368,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,353.12 : 680,827.32 = 266,998.62 : x
  2. Step 2: Convert to fraction form
    493,353.12/680,827.32 = 266,998.62/x
  3. Step 3: Cross multiply
    493,353.12x = 680,827.32 × 266,998.62
  4. Step 4: Simplify right side
    493,353.12x = 181,779,956,784.97
  5. Step 5: Solve for x
    x = 181,779,956,784.97/493,353.12
  6. Step 6: Final answer
    x = 368,458.10

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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.