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Finding the Fourth Proportional to 371,051.02, 512,051.40 and 201,285.15

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Solution

The fourth proportional to 371,051.02, 512,051.40 and 201,285.15 is: 277,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,051.02 : 512,051.40 = 201,285.15 : x
  2. Step 2: Convert to fraction form
    371,051.02/512,051.40 = 201,285.15/x
  3. Step 3: Cross multiply
    371,051.02x = 512,051.40 × 201,285.15
  4. Step 4: Simplify right side
    371,051.02x = 103,068,342,856.71
  5. Step 5: Solve for x
    x = 103,068,342,856.71/371,051.02
  6. Step 6: Final answer
    x = 277,774.05

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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.