Home / 279,681.06-385,957.53-152,353.92

Finding the Fourth Proportional to 279,681.06, 385,957.53 and 152,353.92

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Solution

The fourth proportional to 279,681.06, 385,957.53 and 152,353.92 is: 210,247.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,681.06 : 385,957.53 = 152,353.92 : x
  2. Step 2: Convert to fraction form
    279,681.06/385,957.53 = 152,353.92/x
  3. Step 3: Cross multiply
    279,681.06x = 385,957.53 × 152,353.92
  4. Step 4: Simplify right side
    279,681.06x = 58,802,142,649.02
  5. Step 5: Solve for x
    x = 58,802,142,649.02/279,681.06
  6. Step 6: Final answer
    x = 210,247.14

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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.