Home / 279,749.16-386,048.98-152,425.80

Finding the Fourth Proportional to 279,749.16, 386,048.98 and 152,425.80

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Solution

The fourth proportional to 279,749.16, 386,048.98 and 152,425.80 is: 210,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,749.16 : 386,048.98 = 152,425.80 : x
  2. Step 2: Convert to fraction form
    279,749.16/386,048.98 = 152,425.80/x
  3. Step 3: Cross multiply
    279,749.16x = 386,048.98 × 152,425.80
  4. Step 4: Simplify right side
    279,749.16x = 58,843,824,615.68
  5. Step 5: Solve for x
    x = 58,843,824,615.68/279,749.16
  6. Step 6: Final answer
    x = 210,344.96

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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.