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Finding the Fourth Proportional to 375,043, 562,702.74 and 197,542.84

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Solution

The fourth proportional to 375,043, 562,702.74 and 197,542.84 is: 296,387.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,043 : 562,702.74 = 197,542.84 : x
  2. Step 2: Convert to fraction form
    375,043/562,702.74 = 197,542.84/x
  3. Step 3: Cross multiply
    375,043x = 562,702.74 × 197,542.84
  4. Step 4: Simplify right side
    375,043x = 111,157,897,335.38
  5. Step 5: Solve for x
    x = 111,157,897,335.38/375,043
  6. Step 6: Final answer
    x = 296,387.07

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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.