Home / 248,312.28-342,678.68-140,886.84

Finding the Fourth Proportional to 248,312.28, 342,678.68 and 140,886.84

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Solution

The fourth proportional to 248,312.28, 342,678.68 and 140,886.84 is: 194,428.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,312.28 : 342,678.68 = 140,886.84 : x
  2. Step 2: Convert to fraction form
    248,312.28/342,678.68 = 140,886.84/x
  3. Step 3: Cross multiply
    248,312.28x = 342,678.68 × 140,886.84
  4. Step 4: Simplify right side
    248,312.28x = 48,278,916,360.57
  5. Step 5: Solve for x
    x = 48,278,916,360.57/248,312.28
  6. Step 6: Final answer
    x = 194,428.23

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1.5x scale

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.