Home / 249,738.40-374,953.20-197,207.20

Finding the Fourth Proportional to 249,738.40, 374,953.20 and 197,207.20

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Solution

The fourth proportional to 249,738.40, 374,953.20 and 197,207.20 is: 296,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,738.40 : 374,953.20 = 197,207.20 : x
  2. Step 2: Convert to fraction form
    249,738.40/374,953.20 = 197,207.20/x
  3. Step 3: Cross multiply
    249,738.40x = 374,953.20 × 197,207.20
  4. Step 4: Simplify right side
    249,738.40x = 73,943,470,703.04
  5. Step 5: Solve for x
    x = 73,943,470,703.04/249,738.40
  6. Step 6: Final answer
    x = 296,083.70

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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.