Home / 302,945.20-454,417.80-103,247.80

Finding the Fourth Proportional to 302,945.20, 454,417.80 and 103,247.80

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Solution

The fourth proportional to 302,945.20, 454,417.80 and 103,247.80 is: 154,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,945.20 : 454,417.80 = 103,247.80 : x
  2. Step 2: Convert to fraction form
    302,945.20/454,417.80 = 103,247.80/x
  3. Step 3: Cross multiply
    302,945.20x = 454,417.80 × 103,247.80
  4. Step 4: Simplify right side
    302,945.20x = 46,917,638,130.84
  5. Step 5: Solve for x
    x = 46,917,638,130.84/302,945.20
  6. Step 6: Final answer
    x = 154,871.70

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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.