Home / 279,660.34-385,929.30-152,335.93

Finding the Fourth Proportional to 279,660.34, 385,929.30 and 152,335.93

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Solution

The fourth proportional to 279,660.34, 385,929.30 and 152,335.93 is: 210,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,660.34 : 385,929.30 = 152,335.93 : x
  2. Step 2: Convert to fraction form
    279,660.34/385,929.30 = 152,335.93/x
  3. Step 3: Cross multiply
    279,660.34x = 385,929.30 × 152,335.93
  4. Step 4: Simplify right side
    279,660.34x = 58,790,898,829.75
  5. Step 5: Solve for x
    x = 58,790,898,829.75/279,660.34
  6. Step 6: Final answer
    x = 210,222.51

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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.