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Finding the Fourth Proportional to 402,029.16, 555,059.87 and 249,230.67

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Solution

The fourth proportional to 402,029.16, 555,059.87 and 249,230.67 is: 344,099.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,029.16 : 555,059.87 = 249,230.67 : x
  2. Step 2: Convert to fraction form
    402,029.16/555,059.87 = 249,230.67/x
  3. Step 3: Cross multiply
    402,029.16x = 555,059.87 × 249,230.67
  4. Step 4: Simplify right side
    402,029.16x = 138,337,943,290.21
  5. Step 5: Solve for x
    x = 138,337,943,290.21/402,029.16
  6. Step 6: Final answer
    x = 344,099.28

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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.