Home / 209,948.32-314,806.84-143,463.52

Finding the Fourth Proportional to 209,948.32, 314,806.84 and 143,463.52

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Solution

The fourth proportional to 209,948.32, 314,806.84 and 143,463.52 is: 215,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,948.32 : 314,806.84 = 143,463.52 : x
  2. Step 2: Convert to fraction form
    209,948.32/314,806.84 = 143,463.52/x
  3. Step 3: Cross multiply
    209,948.32x = 314,806.84 × 143,463.52
  4. Step 4: Simplify right side
    209,948.32x = 45,163,297,386.48
  5. Step 5: Solve for x
    x = 45,163,297,386.48/209,948.32
  6. Step 6: Final answer
    x = 215,116.26

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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.