Home / 401,552.30-554,159.55-240,376.16

Finding the Fourth Proportional to 401,552.30, 554,159.55 and 240,376.16

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Solution

The fourth proportional to 401,552.30, 554,159.55 and 240,376.16 is: 331,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,552.30 : 554,159.55 = 240,376.16 : x
  2. Step 2: Convert to fraction form
    401,552.30/554,159.55 = 240,376.16/x
  3. Step 3: Cross multiply
    401,552.30x = 554,159.55 × 240,376.16
  4. Step 4: Simplify right side
    401,552.30x = 133,206,744,656.33
  5. Step 5: Solve for x
    x = 133,206,744,656.33/401,552.30
  6. Step 6: Final answer
    x = 331,729.50

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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.