Home / 285,613.77-425,867.19-277,766.71

Finding the Fourth Proportional to 285,613.77, 425,867.19 and 277,766.71

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Solution

The fourth proportional to 285,613.77, 425,867.19 and 277,766.71 is: 414,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,613.77 : 425,867.19 = 277,766.71 : x
  2. Step 2: Convert to fraction form
    285,613.77/425,867.19 = 277,766.71/x
  3. Step 3: Cross multiply
    285,613.77x = 425,867.19 × 277,766.71
  4. Step 4: Simplify right side
    285,613.77x = 118,291,727,036.49
  5. Step 5: Solve for x
    x = 118,291,727,036.49/285,613.77
  6. Step 6: Final answer
    x = 414,166.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.