Home / 456,004.28-684,079.94-140,461.08

Finding the Fourth Proportional to 456,004.28, 684,079.94 and 140,461.08

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Solution

The fourth proportional to 456,004.28, 684,079.94 and 140,461.08 is: 210,714.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,004.28 : 684,079.94 = 140,461.08 : x
  2. Step 2: Convert to fraction form
    456,004.28/684,079.94 = 140,461.08/x
  3. Step 3: Cross multiply
    456,004.28x = 684,079.94 × 140,461.08
  4. Step 4: Simplify right side
    456,004.28x = 96,086,607,178.74
  5. Step 5: Solve for x
    x = 96,086,607,178.74/456,004.28
  6. Step 6: Final answer
    x = 210,714.27

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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.