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Finding the Fourth Proportional to 249,959.48, 344,585.22 and 178,215

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Solution

The fourth proportional to 249,959.48, 344,585.22 and 178,215 is: 245,680.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,959.48 : 344,585.22 = 178,215 : x
  2. Step 2: Convert to fraction form
    249,959.48/344,585.22 = 178,215/x
  3. Step 3: Cross multiply
    249,959.48x = 344,585.22 × 178,215
  4. Step 4: Simplify right side
    249,959.48x = 61,410,254,982.30
  5. Step 5: Solve for x
    x = 61,410,254,982.30/249,959.48
  6. Step 6: Final answer
    x = 245,680.84

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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.