Home / 400,117.29-552,701.03-320,116.83

Finding the Fourth Proportional to 400,117.29, 552,701.03 and 320,116.83

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Solution

The fourth proportional to 400,117.29, 552,701.03 and 320,116.83 is: 442,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,117.29 : 552,701.03 = 320,116.83 : x
  2. Step 2: Convert to fraction form
    400,117.29/552,701.03 = 320,116.83/x
  3. Step 3: Cross multiply
    400,117.29x = 552,701.03 × 320,116.83
  4. Step 4: Simplify right side
    400,117.29x = 176,928,901,661.34
  5. Step 5: Solve for x
    x = 176,928,901,661.34/400,117.29
  6. Step 6: Final answer
    x = 442,192.59

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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.