Home / 668,216.07-1,002,242.70-194,901.89

Finding the Fourth Proportional to 668,216.07, 1,002,242.70 and 194,901.89

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Solution

The fourth proportional to 668,216.07, 1,002,242.70 and 194,901.89 is: 292,329.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,216.07 : 1,002,242.70 = 194,901.89 : x
  2. Step 2: Convert to fraction form
    668,216.07/1,002,242.70 = 194,901.89/x
  3. Step 3: Cross multiply
    668,216.07x = 1,002,242.70 × 194,901.89
  4. Step 4: Simplify right side
    668,216.07x = 195,338,991,457.49
  5. Step 5: Solve for x
    x = 195,338,991,457.49/668,216.07
  6. Step 6: Final answer
    x = 292,329.08

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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.