Home / 290,895.45-401,472.27-163,570.13

Finding the Fourth Proportional to 290,895.45, 401,472.27 and 163,570.13

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Solution

The fourth proportional to 290,895.45, 401,472.27 and 163,570.13 is: 225,747.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,895.45 : 401,472.27 = 163,570.13 : x
  2. Step 2: Convert to fraction form
    290,895.45/401,472.27 = 163,570.13/x
  3. Step 3: Cross multiply
    290,895.45x = 401,472.27 × 163,570.13
  4. Step 4: Simplify right side
    290,895.45x = 65,668,869,387.93
  5. Step 5: Solve for x
    x = 65,668,869,387.93/290,895.45
  6. Step 6: Final answer
    x = 225,747.33

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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.