Home / 279,587.08-385,834.62-152,262.64

Finding the Fourth Proportional to 279,587.08, 385,834.62 and 152,262.64

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Solution

The fourth proportional to 279,587.08, 385,834.62 and 152,262.64 is: 210,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,587.08 : 385,834.62 = 152,262.64 : x
  2. Step 2: Convert to fraction form
    279,587.08/385,834.62 = 152,262.64/x
  3. Step 3: Cross multiply
    279,587.08x = 385,834.62 × 152,262.64
  4. Step 4: Simplify right side
    279,587.08x = 58,748,197,844.60
  5. Step 5: Solve for x
    x = 58,748,197,844.60/279,587.08
  6. Step 6: Final answer
    x = 210,124.87

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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.