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Finding the Fourth Proportional to 371,210.98, 512,268.15 and 201,445.10

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Solution

The fourth proportional to 371,210.98, 512,268.15 and 201,445.10 is: 277,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,210.98 : 512,268.15 = 201,445.10 : x
  2. Step 2: Convert to fraction form
    371,210.98/512,268.15 = 201,445.10/x
  3. Step 3: Cross multiply
    371,210.98x = 512,268.15 × 201,445.10
  4. Step 4: Simplify right side
    371,210.98x = 103,193,908,703.57
  5. Step 5: Solve for x
    x = 103,193,908,703.57/371,210.98
  6. Step 6: Final answer
    x = 277,992.61

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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.