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Finding the Fourth Proportional to 273,404.40, 410,106.60 and 153,338.10

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Solution

The fourth proportional to 273,404.40, 410,106.60 and 153,338.10 is: 230,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,404.40 : 410,106.60 = 153,338.10 : x
  2. Step 2: Convert to fraction form
    273,404.40/410,106.60 = 153,338.10/x
  3. Step 3: Cross multiply
    273,404.40x = 410,106.60 × 153,338.10
  4. Step 4: Simplify right side
    273,404.40x = 62,884,966,841.46
  5. Step 5: Solve for x
    x = 62,884,966,841.46/273,404.40
  6. Step 6: Final answer
    x = 230,007.15

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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.