Home / 279,484.60-385,676.04-152,159.92

Finding the Fourth Proportional to 279,484.60, 385,676.04 and 152,159.92

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Solution

The fourth proportional to 279,484.60, 385,676.04 and 152,159.92 is: 209,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,484.60 : 385,676.04 = 152,159.92 : x
  2. Step 2: Convert to fraction form
    279,484.60/385,676.04 = 152,159.92/x
  3. Step 3: Cross multiply
    279,484.60x = 385,676.04 × 152,159.92
  4. Step 4: Simplify right side
    279,484.60x = 58,684,435,392.32
  5. Step 5: Solve for x
    x = 58,684,435,392.32/279,484.60
  6. Step 6: Final answer
    x = 209,973.77

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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.