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Finding the Fourth Proportional to 368,541, 508,588.62 and 207,398.76

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Solution

The fourth proportional to 368,541, 508,588.62 and 207,398.76 is: 286,211.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,541 : 508,588.62 = 207,398.76 : x
  2. Step 2: Convert to fraction form
    368,541/508,588.62 = 207,398.76/x
  3. Step 3: Cross multiply
    368,541x = 508,588.62 × 207,398.76
  4. Step 4: Simplify right side
    368,541x = 105,480,649,138.11
  5. Step 5: Solve for x
    x = 105,480,649,138.11/368,541
  6. Step 6: Final answer
    x = 286,211.44

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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.