Home / 346,429.20-520,032.60-267,891.60

Finding the Fourth Proportional to 346,429.20, 520,032.60 and 267,891.60

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Solution

The fourth proportional to 346,429.20, 520,032.60 and 267,891.60 is: 402,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,429.20 : 520,032.60 = 267,891.60 : x
  2. Step 2: Convert to fraction form
    346,429.20/520,032.60 = 267,891.60/x
  3. Step 3: Cross multiply
    346,429.20x = 520,032.60 × 267,891.60
  4. Step 4: Simplify right side
    346,429.20x = 139,312,365,266.16
  5. Step 5: Solve for x
    x = 139,312,365,266.16/346,429.20
  6. Step 6: Final answer
    x = 402,138.06

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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.