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Finding the Fourth Proportional to 235,084.80, 324,417.01 and 134,482.80

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Solution

The fourth proportional to 235,084.80, 324,417.01 and 134,482.80 is: 185,586.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,084.80 : 324,417.01 = 134,482.80 : x
  2. Step 2: Convert to fraction form
    235,084.80/324,417.01 = 134,482.80/x
  3. Step 3: Cross multiply
    235,084.80x = 324,417.01 × 134,482.80
  4. Step 4: Simplify right side
    235,084.80x = 43,628,507,872.43
  5. Step 5: Solve for x
    x = 43,628,507,872.43/235,084.80
  6. Step 6: Final answer
    x = 185,586.26

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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.