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Finding the Fourth Proportional to 255,087.60, 382,631.40 and 225,563.10

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Solution

The fourth proportional to 255,087.60, 382,631.40 and 225,563.10 is: 338,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,087.60 : 382,631.40 = 225,563.10 : x
  2. Step 2: Convert to fraction form
    255,087.60/382,631.40 = 225,563.10/x
  3. Step 3: Cross multiply
    255,087.60x = 382,631.40 × 225,563.10
  4. Step 4: Simplify right side
    255,087.60x = 86,307,524,741.34
  5. Step 5: Solve for x
    x = 86,307,524,741.34/255,087.60
  6. Step 6: Final answer
    x = 338,344.65

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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.