Home / 302,490.20-454,015.35-152,835.81

Finding the Fourth Proportional to 302,490.20, 454,015.35 and 152,835.81

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Solution

The fourth proportional to 302,490.20, 454,015.35 and 152,835.81 is: 229,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,490.20 : 454,015.35 = 152,835.81 : x
  2. Step 2: Convert to fraction form
    302,490.20/454,015.35 = 152,835.81/x
  3. Step 3: Cross multiply
    302,490.20x = 454,015.35 × 152,835.81
  4. Step 4: Simplify right side
    302,490.20x = 69,389,803,769.68
  5. Step 5: Solve for x
    x = 69,389,803,769.68/302,490.20
  6. Step 6: Final answer
    x = 229,395.22

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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.