Home / 460,008.48-689,967.36-144,456.96

Finding the Fourth Proportional to 460,008.48, 689,967.36 and 144,456.96

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Solution

The fourth proportional to 460,008.48, 689,967.36 and 144,456.96 is: 216,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,008.48 : 689,967.36 = 144,456.96 : x
  2. Step 2: Convert to fraction form
    460,008.48/689,967.36 = 144,456.96/x
  3. Step 3: Cross multiply
    460,008.48x = 689,967.36 × 144,456.96
  4. Step 4: Simplify right side
    460,008.48x = 99,670,587,324.83
  5. Step 5: Solve for x
    x = 99,670,587,324.83/460,008.48
  6. Step 6: Final answer
    x = 216,671.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.