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Finding the Fourth Proportional to 269,111.16, 371,751.12 and 254,939.40

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Solution

The fourth proportional to 269,111.16, 371,751.12 and 254,939.40 is: 352,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,111.16 : 371,751.12 = 254,939.40 : x
  2. Step 2: Convert to fraction form
    269,111.16/371,751.12 = 254,939.40/x
  3. Step 3: Cross multiply
    269,111.16x = 371,751.12 × 254,939.40
  4. Step 4: Simplify right side
    269,111.16x = 94,774,007,482.13
  5. Step 5: Solve for x
    x = 94,774,007,482.13/269,111.16
  6. Step 6: Final answer
    x = 352,174.20

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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.