Home / 401,055.30-553,403.62-239,851.52

Finding the Fourth Proportional to 401,055.30, 553,403.62 and 239,851.52

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Solution

The fourth proportional to 401,055.30, 553,403.62 and 239,851.52 is: 330,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,055.30 : 553,403.62 = 239,851.52 : x
  2. Step 2: Convert to fraction form
    401,055.30/553,403.62 = 239,851.52/x
  3. Step 3: Cross multiply
    401,055.30x = 553,403.62 × 239,851.52
  4. Step 4: Simplify right side
    401,055.30x = 132,734,699,430.50
  5. Step 5: Solve for x
    x = 132,734,699,430.50/401,055.30
  6. Step 6: Final answer
    x = 330,963.58

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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.