Home / 198,362.12-297,562.06-56,210.36

Finding the Fourth Proportional to 198,362.12, 297,562.06 and 56,210.36

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Solution

The fourth proportional to 198,362.12, 297,562.06 and 56,210.36 is: 84,320.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,362.12 : 297,562.06 = 56,210.36 : x
  2. Step 2: Convert to fraction form
    198,362.12/297,562.06 = 56,210.36/x
  3. Step 3: Cross multiply
    198,362.12x = 297,562.06 × 56,210.36
  4. Step 4: Simplify right side
    198,362.12x = 16,726,070,514.94
  5. Step 5: Solve for x
    x = 16,726,070,514.94/198,362.12
  6. Step 6: Final answer
    x = 84,320.89

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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.