Home / 345,270.84-476,497.70-209,310.52

Finding the Fourth Proportional to 345,270.84, 476,497.70 and 209,310.52

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Solution

The fourth proportional to 345,270.84, 476,497.70 and 209,310.52 is: 288,863.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,270.84 : 476,497.70 = 209,310.52 : x
  2. Step 2: Convert to fraction form
    345,270.84/476,497.70 = 209,310.52/x
  3. Step 3: Cross multiply
    345,270.84x = 476,497.70 × 209,310.52
  4. Step 4: Simplify right side
    345,270.84x = 99,735,980,697.84
  5. Step 5: Solve for x
    x = 99,735,980,697.84/345,270.84
  6. Step 6: Final answer
    x = 288,863.03

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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.