Home / 279,437.38-385,623.63-152,113.93

Finding the Fourth Proportional to 279,437.38, 385,623.63 and 152,113.93

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Solution

The fourth proportional to 279,437.38, 385,623.63 and 152,113.93 is: 209,917.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,437.38 : 385,623.63 = 152,113.93 : x
  2. Step 2: Convert to fraction form
    279,437.38/385,623.63 = 152,113.93/x
  3. Step 3: Cross multiply
    279,437.38x = 385,623.63 × 152,113.93
  4. Step 4: Simplify right side
    279,437.38x = 58,658,725,860.17
  5. Step 5: Solve for x
    x = 58,658,725,860.17/279,437.38
  6. Step 6: Final answer
    x = 209,917.25

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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.