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Finding the Fourth Proportional to 240,008.40, 360,012.60 and 135,032.40

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Solution

The fourth proportional to 240,008.40, 360,012.60 and 135,032.40 is: 202,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,008.40 : 360,012.60 = 135,032.40 : x
  2. Step 2: Convert to fraction form
    240,008.40/360,012.60 = 135,032.40/x
  3. Step 3: Cross multiply
    240,008.40x = 360,012.60 × 135,032.40
  4. Step 4: Simplify right side
    240,008.40x = 48,613,365,408.24
  5. Step 5: Solve for x
    x = 48,613,365,408.24/240,008.40
  6. Step 6: Final answer
    x = 202,548.60

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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.