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Finding the Fourth Proportional to 207,434.60, 310,374.30 and 188,772.20

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Solution

The fourth proportional to 207,434.60, 310,374.30 and 188,772.20 is: 282,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,434.60 : 310,374.30 = 188,772.20 : x
  2. Step 2: Convert to fraction form
    207,434.60/310,374.30 = 188,772.20/x
  3. Step 3: Cross multiply
    207,434.60x = 310,374.30 × 188,772.20
  4. Step 4: Simplify right side
    207,434.60x = 58,590,039,434.46
  5. Step 5: Solve for x
    x = 58,590,039,434.46/207,434.60
  6. Step 6: Final answer
    x = 282,450.66

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1.5x scale

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.