Home / 249,929.28-374,855.37-81,449.16

Finding the Fourth Proportional to 249,929.28, 374,855.37 and 81,449.16

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Solution

The fourth proportional to 249,929.28, 374,855.37 and 81,449.16 is: 122,161.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,929.28 : 374,855.37 = 81,449.16 : x
  2. Step 2: Convert to fraction form
    249,929.28/374,855.37 = 81,449.16/x
  3. Step 3: Cross multiply
    249,929.28x = 374,855.37 × 81,449.16
  4. Step 4: Simplify right side
    249,929.28x = 30,531,655,007.99
  5. Step 5: Solve for x
    x = 30,531,655,007.99/249,929.28
  6. Step 6: Final answer
    x = 122,161.18

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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.