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Finding the Fourth Proportional to 268,232.40, 402,348.60 and 238,683.60

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Solution

The fourth proportional to 268,232.40, 402,348.60 and 238,683.60 is: 358,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,232.40 : 402,348.60 = 238,683.60 : x
  2. Step 2: Convert to fraction form
    268,232.40/402,348.60 = 238,683.60/x
  3. Step 3: Cross multiply
    268,232.40x = 402,348.60 × 238,683.60
  4. Step 4: Simplify right side
    268,232.40x = 96,034,012,302.96
  5. Step 5: Solve for x
    x = 96,034,012,302.96/268,232.40
  6. Step 6: Final answer
    x = 358,025.40

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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.