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Finding the Fourth Proportional to 201,445.60, 302,401.20 and 108,133.60

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Solution

The fourth proportional to 201,445.60, 302,401.20 and 108,133.60 is: 162,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,445.60 : 302,401.20 = 108,133.60 : x
  2. Step 2: Convert to fraction form
    201,445.60/302,401.20 = 108,133.60/x
  3. Step 3: Cross multiply
    201,445.60x = 302,401.20 × 108,133.60
  4. Step 4: Simplify right side
    201,445.60x = 32,699,730,400.32
  5. Step 5: Solve for x
    x = 32,699,730,400.32/201,445.60
  6. Step 6: Final answer
    x = 162,325.36

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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.