Home / 345,162.60-517,532.49-134,554.50

Finding the Fourth Proportional to 345,162.60, 517,532.49 and 134,554.50

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Solution

The fourth proportional to 345,162.60, 517,532.49 and 134,554.50 is: 201,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,162.60 : 517,532.49 = 134,554.50 : x
  2. Step 2: Convert to fraction form
    345,162.60/517,532.49 = 134,554.50/x
  3. Step 3: Cross multiply
    345,162.60x = 517,532.49 × 134,554.50
  4. Step 4: Simplify right side
    345,162.60x = 69,636,325,425.71
  5. Step 5: Solve for x
    x = 69,636,325,425.71/345,162.60
  6. Step 6: Final answer
    x = 201,749.34

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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.