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Finding the Fourth Proportional to 900,104.80, 1,350,157.20 and 235,256.80

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Solution

The fourth proportional to 900,104.80, 1,350,157.20 and 235,256.80 is: 352,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,104.80 : 1,350,157.20 = 235,256.80 : x
  2. Step 2: Convert to fraction form
    900,104.80/1,350,157.20 = 235,256.80/x
  3. Step 3: Cross multiply
    900,104.80x = 1,350,157.20 × 235,256.80
  4. Step 4: Simplify right side
    900,104.80x = 317,633,662,368.96
  5. Step 5: Solve for x
    x = 317,633,662,368.96/900,104.80
  6. Step 6: Final answer
    x = 352,885.20

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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.