Home / 249,821.81-344,657.28-159,161.54

Finding the Fourth Proportional to 249,821.81, 344,657.28 and 159,161.54

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Solution

The fourth proportional to 249,821.81, 344,657.28 and 159,161.54 is: 219,581.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,821.81 : 344,657.28 = 159,161.54 : x
  2. Step 2: Convert to fraction form
    249,821.81/344,657.28 = 159,161.54/x
  3. Step 3: Cross multiply
    249,821.81x = 344,657.28 × 159,161.54
  4. Step 4: Simplify right side
    249,821.81x = 54,856,182,661.20
  5. Step 5: Solve for x
    x = 54,856,182,661.20/249,821.81
  6. Step 6: Final answer
    x = 219,581.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.