Home / 249,899.10-374,868.09-72,408.66

Finding the Fourth Proportional to 249,899.10, 374,868.09 and 72,408.66

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Solution

The fourth proportional to 249,899.10, 374,868.09 and 72,408.66 is: 108,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,899.10 : 374,868.09 = 72,408.66 : x
  2. Step 2: Convert to fraction form
    249,899.10/374,868.09 = 72,408.66/x
  3. Step 3: Cross multiply
    249,899.10x = 374,868.09 × 72,408.66
  4. Step 4: Simplify right side
    249,899.10x = 27,143,696,073.66
  5. Step 5: Solve for x
    x = 27,143,696,073.66/249,899.10
  6. Step 6: Final answer
    x = 108,618.62

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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.