Home / 456,218.24-684,445.44-140,668.16

Finding the Fourth Proportional to 456,218.24, 684,445.44 and 140,668.16

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Solution

The fourth proportional to 456,218.24, 684,445.44 and 140,668.16 is: 211,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,218.24 : 684,445.44 = 140,668.16 : x
  2. Step 2: Convert to fraction form
    456,218.24/684,445.44 = 140,668.16/x
  3. Step 3: Cross multiply
    456,218.24x = 684,445.44 × 140,668.16
  4. Step 4: Simplify right side
    456,218.24x = 96,279,680,665.19
  5. Step 5: Solve for x
    x = 96,279,680,665.19/456,218.24
  6. Step 6: Final answer
    x = 211,038.65

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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.