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Finding the Fourth Proportional to 243,340.80, 365,788.80 and 173,702.40

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Solution

The fourth proportional to 243,340.80, 365,788.80 and 173,702.40 is: 261,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,340.80 : 365,788.80 = 173,702.40 : x
  2. Step 2: Convert to fraction form
    243,340.80/365,788.80 = 173,702.40/x
  3. Step 3: Cross multiply
    243,340.80x = 365,788.80 × 173,702.40
  4. Step 4: Simplify right side
    243,340.80x = 63,538,392,453.12
  5. Step 5: Solve for x
    x = 63,538,392,453.12/243,340.80
  6. Step 6: Final answer
    x = 261,108.67

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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.