Home / 209,746.43-314,498.14-143,266.90

Finding the Fourth Proportional to 209,746.43, 314,498.14 and 143,266.90

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Solution

The fourth proportional to 209,746.43, 314,498.14 and 143,266.90 is: 214,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,746.43 : 314,498.14 = 143,266.90 : x
  2. Step 2: Convert to fraction form
    209,746.43/314,498.14 = 143,266.90/x
  3. Step 3: Cross multiply
    209,746.43x = 314,498.14 × 143,266.90
  4. Step 4: Simplify right side
    209,746.43x = 45,057,173,573.57
  5. Step 5: Solve for x
    x = 45,057,173,573.57/209,746.43
  6. Step 6: Final answer
    x = 214,817.36

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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.