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Finding the Fourth Proportional to 347,795.60, 521,790.60 and 170,308.40

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Solution

The fourth proportional to 347,795.60, 521,790.60 and 170,308.40 is: 255,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,795.60 : 521,790.60 = 170,308.40 : x
  2. Step 2: Convert to fraction form
    347,795.60/521,790.60 = 170,308.40/x
  3. Step 3: Cross multiply
    347,795.60x = 521,790.60 × 170,308.40
  4. Step 4: Simplify right side
    347,795.60x = 88,865,322,221.04
  5. Step 5: Solve for x
    x = 88,865,322,221.04/347,795.60
  6. Step 6: Final answer
    x = 255,510.20

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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.