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Finding the Fourth Proportional to 250,370, 345,510.60 and 144,386

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Solution

The fourth proportional to 250,370, 345,510.60 and 144,386 is: 199,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,370 : 345,510.60 = 144,386 : x
  2. Step 2: Convert to fraction form
    250,370/345,510.60 = 144,386/x
  3. Step 3: Cross multiply
    250,370x = 345,510.60 × 144,386
  4. Step 4: Simplify right side
    250,370x = 49,886,893,491.60
  5. Step 5: Solve for x
    x = 49,886,893,491.60/250,370
  6. Step 6: Final answer
    x = 199,252.68

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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.