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Finding the Fourth Proportional to 345,065.06, 476,200.46 and 187,911.48

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Solution

The fourth proportional to 345,065.06, 476,200.46 and 187,911.48 is: 259,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,065.06 : 476,200.46 = 187,911.48 : x
  2. Step 2: Convert to fraction form
    345,065.06/476,200.46 = 187,911.48/x
  3. Step 3: Cross multiply
    345,065.06x = 476,200.46 × 187,911.48
  4. Step 4: Simplify right side
    345,065.06x = 89,483,533,215.28
  5. Step 5: Solve for x
    x = 89,483,533,215.28/345,065.06
  6. Step 6: Final answer
    x = 259,323.66

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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.