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Finding the Fourth Proportional to 248,001.90, 372,148.65 and 90,246.30

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Solution

The fourth proportional to 248,001.90, 372,148.65 and 90,246.30 is: 135,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,001.90 : 372,148.65 = 90,246.30 : x
  2. Step 2: Convert to fraction form
    248,001.90/372,148.65 = 90,246.30/x
  3. Step 3: Cross multiply
    248,001.90x = 372,148.65 × 90,246.30
  4. Step 4: Simplify right side
    248,001.90x = 33,585,038,712.50
  5. Step 5: Solve for x
    x = 33,585,038,712.50/248,001.90
  6. Step 6: Final answer
    x = 135,422.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.