Home / 302,933.10-454,399.65-103,478.70

Finding the Fourth Proportional to 302,933.10, 454,399.65 and 103,478.70

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Solution

The fourth proportional to 302,933.10, 454,399.65 and 103,478.70 is: 155,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,933.10 : 454,399.65 = 103,478.70 : x
  2. Step 2: Convert to fraction form
    302,933.10/454,399.65 = 103,478.70/x
  3. Step 3: Cross multiply
    302,933.10x = 454,399.65 × 103,478.70
  4. Step 4: Simplify right side
    302,933.10x = 47,020,685,062.46
  5. Step 5: Solve for x
    x = 47,020,685,062.46/302,933.10
  6. Step 6: Final answer
    x = 155,218.05

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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.