Home / 291,784.55-402,654.66-162,726.89

Finding the Fourth Proportional to 291,784.55, 402,654.66 and 162,726.89

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Solution

The fourth proportional to 291,784.55, 402,654.66 and 162,726.89 is: 224,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,784.55 : 402,654.66 = 162,726.89 : x
  2. Step 2: Convert to fraction form
    291,784.55/402,654.66 = 162,726.89/x
  3. Step 3: Cross multiply
    291,784.55x = 402,654.66 × 162,726.89
  4. Step 4: Simplify right side
    291,784.55x = 65,522,740,565.81
  5. Step 5: Solve for x
    x = 65,522,740,565.81/291,784.55
  6. Step 6: Final answer
    x = 224,558.64

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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.