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Finding the Fourth Proportional to 236,498.80, 354,748.20 and 147,852.40

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Solution

The fourth proportional to 236,498.80, 354,748.20 and 147,852.40 is: 221,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,498.80 : 354,748.20 = 147,852.40 : x
  2. Step 2: Convert to fraction form
    236,498.80/354,748.20 = 147,852.40/x
  3. Step 3: Cross multiply
    236,498.80x = 354,748.20 × 147,852.40
  4. Step 4: Simplify right side
    236,498.80x = 52,450,372,765.68
  5. Step 5: Solve for x
    x = 52,450,372,765.68/236,498.80
  6. Step 6: Final answer
    x = 221,778.60

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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.