Home / 345,631.50-476,971.49-186,655.50

Finding the Fourth Proportional to 345,631.50, 476,971.49 and 186,655.50

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Solution

The fourth proportional to 345,631.50, 476,971.49 and 186,655.50 is: 257,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,631.50 : 476,971.49 = 186,655.50 : x
  2. Step 2: Convert to fraction form
    345,631.50/476,971.49 = 186,655.50/x
  3. Step 3: Cross multiply
    345,631.50x = 476,971.49 × 186,655.50
  4. Step 4: Simplify right side
    345,631.50x = 89,029,351,951.70
  5. Step 5: Solve for x
    x = 89,029,351,951.70/345,631.50
  6. Step 6: Final answer
    x = 257,584.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.