Home / 456,444.30-684,682.65-140,900.70

Finding the Fourth Proportional to 456,444.30, 684,682.65 and 140,900.70

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Solution

The fourth proportional to 456,444.30, 684,682.65 and 140,900.70 is: 211,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,444.30 : 684,682.65 = 140,900.70 : x
  2. Step 2: Convert to fraction form
    456,444.30/684,682.65 = 140,900.70/x
  3. Step 3: Cross multiply
    456,444.30x = 684,682.65 × 140,900.70
  4. Step 4: Simplify right side
    456,444.30x = 96,472,264,662.86
  5. Step 5: Solve for x
    x = 96,472,264,662.86/456,444.30
  6. Step 6: Final answer
    x = 211,356.05

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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.