Home / 460,407.11-690,612.01-160,887.74

Finding the Fourth Proportional to 460,407.11, 690,612.01 and 160,887.74

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Solution

The fourth proportional to 460,407.11, 690,612.01 and 160,887.74 is: 241,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,407.11 : 690,612.01 = 160,887.74 : x
  2. Step 2: Convert to fraction form
    460,407.11/690,612.01 = 160,887.74/x
  3. Step 3: Cross multiply
    460,407.11x = 690,612.01 × 160,887.74
  4. Step 4: Simplify right side
    460,407.11x = 111,111,001,650.48
  5. Step 5: Solve for x
    x = 111,111,001,650.48/460,407.11
  6. Step 6: Final answer
    x = 241,332.07

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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.