Home / 302,769.20-417,821.49-168,633.20

Finding the Fourth Proportional to 302,769.20, 417,821.49 and 168,633.20

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Solution

The fourth proportional to 302,769.20, 417,821.49 and 168,633.20 is: 232,713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,769.20 : 417,821.49 = 168,633.20 : x
  2. Step 2: Convert to fraction form
    302,769.20/417,821.49 = 168,633.20/x
  3. Step 3: Cross multiply
    302,769.20x = 417,821.49 × 168,633.20
  4. Step 4: Simplify right side
    302,769.20x = 70,458,572,798.36
  5. Step 5: Solve for x
    x = 70,458,572,798.36/302,769.20
  6. Step 6: Final answer
    x = 232,713.81

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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.