Home / 450,557.29-675,749.78-135,014.21

Finding the Fourth Proportional to 450,557.29, 675,749.78 and 135,014.21

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Solution

The fourth proportional to 450,557.29, 675,749.78 and 135,014.21 is: 202,495.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,557.29 : 675,749.78 = 135,014.21 : x
  2. Step 2: Convert to fraction form
    450,557.29/675,749.78 = 135,014.21/x
  3. Step 3: Cross multiply
    450,557.29x = 675,749.78 × 135,014.21
  4. Step 4: Simplify right side
    450,557.29x = 91,235,822,704.37
  5. Step 5: Solve for x
    x = 91,235,822,704.37/450,557.29
  6. Step 6: Final answer
    x = 202,495.50

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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.