Home / 294,289.12-441,355.68-81,006.40

Finding the Fourth Proportional to 294,289.12, 441,355.68 and 81,006.40

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Solution

The fourth proportional to 294,289.12, 441,355.68 and 81,006.40 is: 121,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,289.12 : 441,355.68 = 81,006.40 : x
  2. Step 2: Convert to fraction form
    294,289.12/441,355.68 = 81,006.40/x
  3. Step 3: Cross multiply
    294,289.12x = 441,355.68 × 81,006.40
  4. Step 4: Simplify right side
    294,289.12x = 35,752,634,756.35
  5. Step 5: Solve for x
    x = 35,752,634,756.35/294,289.12
  6. Step 6: Final answer
    x = 121,488.13

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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.