Home / 249,769.35-374,629.41-81,282.87

Finding the Fourth Proportional to 249,769.35, 374,629.41 and 81,282.87

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Solution

The fourth proportional to 249,769.35, 374,629.41 and 81,282.87 is: 121,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,769.35 : 374,629.41 = 81,282.87 : x
  2. Step 2: Convert to fraction form
    249,769.35/374,629.41 = 81,282.87/x
  3. Step 3: Cross multiply
    249,769.35x = 374,629.41 × 81,282.87
  4. Step 4: Simplify right side
    249,769.35x = 30,450,953,631.21
  5. Step 5: Solve for x
    x = 30,450,953,631.21/249,769.35
  6. Step 6: Final answer
    x = 121,916.29

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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.