Home / 456,236.90-684,290.55-156,731.30

Finding the Fourth Proportional to 456,236.90, 684,290.55 and 156,731.30

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Solution

The fourth proportional to 456,236.90, 684,290.55 and 156,731.30 is: 235,074.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,236.90 : 684,290.55 = 156,731.30 : x
  2. Step 2: Convert to fraction form
    456,236.90/684,290.55 = 156,731.30/x
  3. Step 3: Cross multiply
    456,236.90x = 684,290.55 × 156,731.30
  4. Step 4: Simplify right side
    456,236.90x = 107,249,747,479.22
  5. Step 5: Solve for x
    x = 107,249,747,479.22/456,236.90
  6. Step 6: Final answer
    x = 235,074.69

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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.