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Finding the Fourth Proportional to 371,210.22, 512,267.11 and 201,444.34

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Solution

The fourth proportional to 371,210.22, 512,267.11 and 201,444.34 is: 277,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,210.22 : 512,267.11 = 201,444.34 : x
  2. Step 2: Convert to fraction form
    371,210.22/512,267.11 = 201,444.34/x
  3. Step 3: Cross multiply
    371,210.22x = 512,267.11 × 201,444.34
  4. Step 4: Simplify right side
    371,210.22x = 103,193,309,877.66
  5. Step 5: Solve for x
    x = 103,193,309,877.66/371,210.22
  6. Step 6: Final answer
    x = 277,991.56

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1.5x scale

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.