Home / 207,023.20-310,534.80-180,779.20

Finding the Fourth Proportional to 207,023.20, 310,534.80 and 180,779.20

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Solution

The fourth proportional to 207,023.20, 310,534.80 and 180,779.20 is: 271,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,023.20 : 310,534.80 = 180,779.20 : x
  2. Step 2: Convert to fraction form
    207,023.20/310,534.80 = 180,779.20/x
  3. Step 3: Cross multiply
    207,023.20x = 310,534.80 × 180,779.20
  4. Step 4: Simplify right side
    207,023.20x = 56,138,232,716.16
  5. Step 5: Solve for x
    x = 56,138,232,716.16/207,023.20
  6. Step 6: Final answer
    x = 271,168.80

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1.5x scale

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.