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Finding the Fourth Proportional to 298,337.87, 410,666.44 and 260,030.85

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Solution

The fourth proportional to 298,337.87, 410,666.44 and 260,030.85 is: 357,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,337.87 : 410,666.44 = 260,030.85 : x
  2. Step 2: Convert to fraction form
    298,337.87/410,666.44 = 260,030.85/x
  3. Step 3: Cross multiply
    298,337.87x = 410,666.44 × 260,030.85
  4. Step 4: Simplify right side
    298,337.87x = 106,785,943,459.67
  5. Step 5: Solve for x
    x = 106,785,943,459.67/298,337.87
  6. Step 6: Final answer
    x = 357,936.27

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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.