Home / 267,124.23-400,707.07-77,587.65

Finding the Fourth Proportional to 267,124.23, 400,707.07 and 77,587.65

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Solution

The fourth proportional to 267,124.23, 400,707.07 and 77,587.65 is: 116,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,124.23 : 400,707.07 = 77,587.65 : x
  2. Step 2: Convert to fraction form
    267,124.23/400,707.07 = 77,587.65/x
  3. Step 3: Cross multiply
    267,124.23x = 400,707.07 × 77,587.65
  4. Step 4: Simplify right side
    267,124.23x = 31,089,919,705.72
  5. Step 5: Solve for x
    x = 31,089,919,705.72/267,124.23
  6. Step 6: Final answer
    x = 116,387.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.