Home / 331,720.80-499,373.16-302,327.52

Finding the Fourth Proportional to 331,720.80, 499,373.16 and 302,327.52

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Solution

The fourth proportional to 331,720.80, 499,373.16 and 302,327.52 is: 455,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,720.80 : 499,373.16 = 302,327.52 : x
  2. Step 2: Convert to fraction form
    331,720.80/499,373.16 = 302,327.52/x
  3. Step 3: Cross multiply
    331,720.80x = 499,373.16 × 302,327.52
  4. Step 4: Simplify right side
    331,720.80x = 150,974,249,017.36
  5. Step 5: Solve for x
    x = 150,974,249,017.36/331,720.80
  6. Step 6: Final answer
    x = 455,124.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.