Home / 285,613.89-425,867.38-277,766.84

Finding the Fourth Proportional to 285,613.89, 425,867.38 and 277,766.84

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Solution

The fourth proportional to 285,613.89, 425,867.38 and 277,766.84 is: 414,166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,613.89 : 425,867.38 = 277,766.84 : x
  2. Step 2: Convert to fraction form
    285,613.89/425,867.38 = 277,766.84/x
  3. Step 3: Cross multiply
    285,613.89x = 425,867.38 × 277,766.84
  4. Step 4: Simplify right side
    285,613.89x = 118,291,832,883.51
  5. Step 5: Solve for x
    x = 118,291,832,883.51/285,613.89
  6. Step 6: Final answer
    x = 414,166.94

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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.