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Finding the Fourth Proportional to 302,287.70, 417,160.53 and 173,223.62

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Solution

The fourth proportional to 302,287.70, 417,160.53 and 173,223.62 is: 239,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,287.70 : 417,160.53 = 173,223.62 : x
  2. Step 2: Convert to fraction form
    302,287.70/417,160.53 = 173,223.62/x
  3. Step 3: Cross multiply
    302,287.70x = 417,160.53 × 173,223.62
  4. Step 4: Simplify right side
    302,287.70x = 72,262,057,127.72
  5. Step 5: Solve for x
    x = 72,262,057,127.72/302,287.70
  6. Step 6: Final answer
    x = 239,050.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.