Home / 269,386.20-403,739.10-136,303.20

Finding the Fourth Proportional to 269,386.20, 403,739.10 and 136,303.20

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Solution

The fourth proportional to 269,386.20, 403,739.10 and 136,303.20 is: 204,282.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,386.20 : 403,739.10 = 136,303.20 : x
  2. Step 2: Convert to fraction form
    269,386.20/403,739.10 = 136,303.20/x
  3. Step 3: Cross multiply
    269,386.20x = 403,739.10 × 136,303.20
  4. Step 4: Simplify right side
    269,386.20x = 55,030,931,295.12
  5. Step 5: Solve for x
    x = 55,030,931,295.12/269,386.20
  6. Step 6: Final answer
    x = 204,282.67

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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.