Home / 279,383.32-385,547.88-152,059.96

Finding the Fourth Proportional to 279,383.32, 385,547.88 and 152,059.96

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Solution

The fourth proportional to 279,383.32, 385,547.88 and 152,059.96 is: 209,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,383.32 : 385,547.88 = 152,059.96 : x
  2. Step 2: Convert to fraction form
    279,383.32/385,547.88 = 152,059.96/x
  3. Step 3: Cross multiply
    279,383.32x = 385,547.88 × 152,059.96
  4. Step 4: Simplify right side
    279,383.32x = 58,626,395,210.88
  5. Step 5: Solve for x
    x = 58,626,395,210.88/279,383.32
  6. Step 6: Final answer
    x = 209,842.15

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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.