Home / 279,748.16-386,047.60-152,424.80

Finding the Fourth Proportional to 279,748.16, 386,047.60 and 152,424.80

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Solution

The fourth proportional to 279,748.16, 386,047.60 and 152,424.80 is: 210,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,748.16 : 386,047.60 = 152,424.80 : x
  2. Step 2: Convert to fraction form
    279,748.16/386,047.60 = 152,424.80/x
  3. Step 3: Cross multiply
    279,748.16x = 386,047.60 × 152,424.80
  4. Step 4: Simplify right side
    279,748.16x = 58,843,228,220.48
  5. Step 5: Solve for x
    x = 58,843,228,220.48/279,748.16
  6. Step 6: Final answer
    x = 210,343.58

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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.