Home / 492,845.20-739,267.80-177,312.40

Finding the Fourth Proportional to 492,845.20, 739,267.80 and 177,312.40

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Solution

The fourth proportional to 492,845.20, 739,267.80 and 177,312.40 is: 265,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,845.20 : 739,267.80 = 177,312.40 : x
  2. Step 2: Convert to fraction form
    492,845.20/739,267.80 = 177,312.40/x
  3. Step 3: Cross multiply
    492,845.20x = 739,267.80 × 177,312.40
  4. Step 4: Simplify right side
    492,845.20x = 131,081,347,860.72
  5. Step 5: Solve for x
    x = 131,081,347,860.72/492,845.20
  6. Step 6: Final answer
    x = 265,968.60

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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.