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Finding the Fourth Proportional to 371,085.98, 512,104.88 and 201,320.10

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Solution

The fourth proportional to 371,085.98, 512,104.88 and 201,320.10 is: 277,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,085.98 : 512,104.88 = 201,320.10 : x
  2. Step 2: Convert to fraction form
    371,085.98/512,104.88 = 201,320.10/x
  3. Step 3: Cross multiply
    371,085.98x = 512,104.88 × 201,320.10
  4. Step 4: Simplify right side
    371,085.98x = 103,097,005,652.09
  5. Step 5: Solve for x
    x = 103,097,005,652.09/371,085.98
  6. Step 6: Final answer
    x = 277,825.12

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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.