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Finding the Fourth Proportional to 262,402.40, 393,603.60 and 247,968.20

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Solution

The fourth proportional to 262,402.40, 393,603.60 and 247,968.20 is: 371,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,402.40 : 393,603.60 = 247,968.20 : x
  2. Step 2: Convert to fraction form
    262,402.40/393,603.60 = 247,968.20/x
  3. Step 3: Cross multiply
    262,402.40x = 393,603.60 × 247,968.20
  4. Step 4: Simplify right side
    262,402.40x = 97,601,176,205.52
  5. Step 5: Solve for x
    x = 97,601,176,205.52/262,402.40
  6. Step 6: Final answer
    x = 371,952.30

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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.