Home / 443,429.48-611,909.70-252,442.28

Finding the Fourth Proportional to 443,429.48, 611,909.70 and 252,442.28

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Solution

The fourth proportional to 443,429.48, 611,909.70 and 252,442.28 is: 348,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,429.48 : 611,909.70 = 252,442.28 : x
  2. Step 2: Convert to fraction form
    443,429.48/611,909.70 = 252,442.28/x
  3. Step 3: Cross multiply
    443,429.48x = 611,909.70 × 252,442.28
  4. Step 4: Simplify right side
    443,429.48x = 154,471,879,822.12
  5. Step 5: Solve for x
    x = 154,471,879,822.12/443,429.48
  6. Step 6: Final answer
    x = 348,357.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.