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Finding the Fourth Proportional to 492,006.80, 738,010.20 and 176,495.60

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Solution

The fourth proportional to 492,006.80, 738,010.20 and 176,495.60 is: 264,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,006.80 : 738,010.20 = 176,495.60 : x
  2. Step 2: Convert to fraction form
    492,006.80/738,010.20 = 176,495.60/x
  3. Step 3: Cross multiply
    492,006.80x = 738,010.20 × 176,495.60
  4. Step 4: Simplify right side
    492,006.80x = 130,255,553,055.12
  5. Step 5: Solve for x
    x = 130,255,553,055.12/492,006.80
  6. Step 6: Final answer
    x = 264,743.40

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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.