Home / 346,008.60-518,763.81-212,613.25

Finding the Fourth Proportional to 346,008.60, 518,763.81 and 212,613.25

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Solution

The fourth proportional to 346,008.60, 518,763.81 and 212,613.25 is: 318,766.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,008.60 : 518,763.81 = 212,613.25 : x
  2. Step 2: Convert to fraction form
    346,008.60/518,763.81 = 212,613.25/x
  3. Step 3: Cross multiply
    346,008.60x = 518,763.81 × 212,613.25
  4. Step 4: Simplify right side
    346,008.60x = 110,296,059,626.48
  5. Step 5: Solve for x
    x = 110,296,059,626.48/346,008.60
  6. Step 6: Final answer
    x = 318,766.82

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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.