Home / 279,810.18-386,126.82-152,483.04

Finding the Fourth Proportional to 279,810.18, 386,126.82 and 152,483.04

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Solution

The fourth proportional to 279,810.18, 386,126.82 and 152,483.04 is: 210,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,810.18 : 386,126.82 = 152,483.04 : x
  2. Step 2: Convert to fraction form
    279,810.18/386,126.82 = 152,483.04/x
  3. Step 3: Cross multiply
    279,810.18x = 386,126.82 × 152,483.04
  4. Step 4: Simplify right side
    279,810.18x = 58,877,791,339.13
  5. Step 5: Solve for x
    x = 58,877,791,339.13/279,810.18
  6. Step 6: Final answer
    x = 210,420.48

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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.