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Finding the Fourth Proportional to 368,844.42, 509,000.28 and 207,701.40

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Solution

The fourth proportional to 368,844.42, 509,000.28 and 207,701.40 is: 286,625.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,844.42 : 509,000.28 = 207,701.40 : x
  2. Step 2: Convert to fraction form
    368,844.42/509,000.28 = 207,701.40/x
  3. Step 3: Cross multiply
    368,844.42x = 509,000.28 × 207,701.40
  4. Step 4: Simplify right side
    368,844.42x = 105,720,070,756.39
  5. Step 5: Solve for x
    x = 105,720,070,756.39/368,844.42
  6. Step 6: Final answer
    x = 286,625.11

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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.