Home / 345,205.52-476,385.36-201,937.76

Finding the Fourth Proportional to 345,205.52, 476,385.36 and 201,937.76

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Solution

The fourth proportional to 345,205.52, 476,385.36 and 201,937.76 is: 278,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,205.52 : 476,385.36 = 201,937.76 : x
  2. Step 2: Convert to fraction form
    345,205.52/476,385.36 = 201,937.76/x
  3. Step 3: Cross multiply
    345,205.52x = 476,385.36 × 201,937.76
  4. Step 4: Simplify right side
    345,205.52x = 96,200,192,495.19
  5. Step 5: Solve for x
    x = 96,200,192,495.19/345,205.52
  6. Step 6: Final answer
    x = 278,675.13

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1.5x scale

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.