Home / 401,054.80-553,402.94-239,851.02

Finding the Fourth Proportional to 401,054.80, 553,402.94 and 239,851.02

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Solution

The fourth proportional to 401,054.80, 553,402.94 and 239,851.02 is: 330,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,054.80 : 553,402.94 = 239,851.02 : x
  2. Step 2: Convert to fraction form
    401,054.80/553,402.94 = 239,851.02/x
  3. Step 3: Cross multiply
    401,054.80x = 553,402.94 × 239,851.02
  4. Step 4: Simplify right side
    401,054.80x = 132,734,259,630.00
  5. Step 5: Solve for x
    x = 132,734,259,630.00/401,054.80
  6. Step 6: Final answer
    x = 330,962.90

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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.