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Finding the Fourth Proportional to 248,641.57, 372,959.59 and 148,829.62

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Solution

The fourth proportional to 248,641.57, 372,959.59 and 148,829.62 is: 223,242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,641.57 : 372,959.59 = 148,829.62 : x
  2. Step 2: Convert to fraction form
    248,641.57/372,959.59 = 148,829.62/x
  3. Step 3: Cross multiply
    248,641.57x = 372,959.59 × 148,829.62
  4. Step 4: Simplify right side
    248,641.57x = 55,507,434,055.06
  5. Step 5: Solve for x
    x = 55,507,434,055.06/248,641.57
  6. Step 6: Final answer
    x = 223,242.77

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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.