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Finding the Fourth Proportional to 295,510.40, 442,641.60 and 195,718.40

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Solution

The fourth proportional to 295,510.40, 442,641.60 and 195,718.40 is: 293,164.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,510.40 : 442,641.60 = 195,718.40 : x
  2. Step 2: Convert to fraction form
    295,510.40/442,641.60 = 195,718.40/x
  3. Step 3: Cross multiply
    295,510.40x = 442,641.60 × 195,718.40
  4. Step 4: Simplify right side
    295,510.40x = 86,633,105,725.44
  5. Step 5: Solve for x
    x = 86,633,105,725.44/295,510.40
  6. Step 6: Final answer
    x = 293,164.32

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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.