Home / 302,828.10-454,132.80-153,018.60

Finding the Fourth Proportional to 302,828.10, 454,132.80 and 153,018.60

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Solution

The fourth proportional to 302,828.10, 454,132.80 and 153,018.60 is: 229,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,828.10 : 454,132.80 = 153,018.60 : x
  2. Step 2: Convert to fraction form
    302,828.10/454,132.80 = 153,018.60/x
  3. Step 3: Cross multiply
    302,828.10x = 454,132.80 × 153,018.60
  4. Step 4: Simplify right side
    302,828.10x = 69,490,765,270.08
  5. Step 5: Solve for x
    x = 69,490,765,270.08/302,828.10
  6. Step 6: Final answer
    x = 229,472.65

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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.