Home / 456,230.90-684,281.55-156,725.30

Finding the Fourth Proportional to 456,230.90, 684,281.55 and 156,725.30

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Solution

The fourth proportional to 456,230.90, 684,281.55 and 156,725.30 is: 235,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,230.90 : 684,281.55 = 156,725.30 : x
  2. Step 2: Convert to fraction form
    456,230.90/684,281.55 = 156,725.30/x
  3. Step 3: Cross multiply
    456,230.90x = 684,281.55 × 156,725.30
  4. Step 4: Simplify right side
    456,230.90x = 107,244,231,208.22
  5. Step 5: Solve for x
    x = 107,244,231,208.22/456,230.90
  6. Step 6: Final answer
    x = 235,065.69

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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.