Home / 261,531.48-360,908.28-146,812.80

Finding the Fourth Proportional to 261,531.48, 360,908.28 and 146,812.80

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Solution

The fourth proportional to 261,531.48, 360,908.28 and 146,812.80 is: 202,598.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,531.48 : 360,908.28 = 146,812.80 : x
  2. Step 2: Convert to fraction form
    261,531.48/360,908.28 = 146,812.80/x
  3. Step 3: Cross multiply
    261,531.48x = 360,908.28 × 146,812.80
  4. Step 4: Simplify right side
    261,531.48x = 52,985,955,129.98
  5. Step 5: Solve for x
    x = 52,985,955,129.98/261,531.48
  6. Step 6: Final answer
    x = 202,598.77

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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.