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Finding the Fourth Proportional to 250,596, 345,681 and 148,521.20

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Solution

The fourth proportional to 250,596, 345,681 and 148,521.20 is: 204,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,596 : 345,681 = 148,521.20 : x
  2. Step 2: Convert to fraction form
    250,596/345,681 = 148,521.20/x
  3. Step 3: Cross multiply
    250,596x = 345,681 × 148,521.20
  4. Step 4: Simplify right side
    250,596x = 51,340,955,208.80
  5. Step 5: Solve for x
    x = 51,340,955,208.80/250,596
  6. Step 6: Final answer
    x = 204,875.40

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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.