Home / 846,225.18-1,269,340.74-215,139.06

Finding the Fourth Proportional to 846,225.18, 1,269,340.74 and 215,139.06

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Solution

The fourth proportional to 846,225.18, 1,269,340.74 and 215,139.06 is: 322,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,225.18 : 1,269,340.74 = 215,139.06 : x
  2. Step 2: Convert to fraction form
    846,225.18/1,269,340.74 = 215,139.06/x
  3. Step 3: Cross multiply
    846,225.18x = 1,269,340.74 × 215,139.06
  4. Step 4: Simplify right side
    846,225.18x = 273,084,773,623.30
  5. Step 5: Solve for x
    x = 273,084,773,623.30/846,225.18
  6. Step 6: Final answer
    x = 322,709.35

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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.