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Finding the Fourth Proportional to 245,750.20, 368,625.30 and 79,538.20

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Solution

The fourth proportional to 245,750.20, 368,625.30 and 79,538.20 is: 119,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,750.20 : 368,625.30 = 79,538.20 : x
  2. Step 2: Convert to fraction form
    245,750.20/368,625.30 = 79,538.20/x
  3. Step 3: Cross multiply
    245,750.20x = 368,625.30 × 79,538.20
  4. Step 4: Simplify right side
    245,750.20x = 29,319,792,836.46
  5. Step 5: Solve for x
    x = 29,319,792,836.46/245,750.20
  6. Step 6: Final answer
    x = 119,307.30

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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.