Home / 659,399.04-988,960.16-185,973.68

Finding the Fourth Proportional to 659,399.04, 988,960.16 and 185,973.68

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Solution

The fourth proportional to 659,399.04, 988,960.16 and 185,973.68 is: 278,921.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,399.04 : 988,960.16 = 185,973.68 : x
  2. Step 2: Convert to fraction form
    659,399.04/988,960.16 = 185,973.68/x
  3. Step 3: Cross multiply
    659,399.04x = 988,960.16 × 185,973.68
  4. Step 4: Simplify right side
    659,399.04x = 183,920,563,265.92
  5. Step 5: Solve for x
    x = 183,920,563,265.92/659,399.04
  6. Step 6: Final answer
    x = 278,921.49

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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.