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Finding the Fourth Proportional to 248,139.60, 372,209.40 and 223,256.40

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Solution

The fourth proportional to 248,139.60, 372,209.40 and 223,256.40 is: 334,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,139.60 : 372,209.40 = 223,256.40 : x
  2. Step 2: Convert to fraction form
    248,139.60/372,209.40 = 223,256.40/x
  3. Step 3: Cross multiply
    248,139.60x = 372,209.40 × 223,256.40
  4. Step 4: Simplify right side
    248,139.60x = 83,098,130,690.16
  5. Step 5: Solve for x
    x = 83,098,130,690.16/248,139.60
  6. Step 6: Final answer
    x = 334,884.60

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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.