Home / 302,933.60-454,400.40-103,479.20

Finding the Fourth Proportional to 302,933.60, 454,400.40 and 103,479.20

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Solution

The fourth proportional to 302,933.60, 454,400.40 and 103,479.20 is: 155,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,933.60 : 454,400.40 = 103,479.20 : x
  2. Step 2: Convert to fraction form
    302,933.60/454,400.40 = 103,479.20/x
  3. Step 3: Cross multiply
    302,933.60x = 454,400.40 × 103,479.20
  4. Step 4: Simplify right side
    302,933.60x = 47,020,989,871.68
  5. Step 5: Solve for x
    x = 47,020,989,871.68/302,933.60
  6. Step 6: Final answer
    x = 155,218.80

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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.