Home / 269,019.02-371,234.26-154,215.35

Finding the Fourth Proportional to 269,019.02, 371,234.26 and 154,215.35

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Solution

The fourth proportional to 269,019.02, 371,234.26 and 154,215.35 is: 212,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,019.02 : 371,234.26 = 154,215.35 : x
  2. Step 2: Convert to fraction form
    269,019.02/371,234.26 = 154,215.35/x
  3. Step 3: Cross multiply
    269,019.02x = 371,234.26 × 154,215.35
  4. Step 4: Simplify right side
    269,019.02x = 57,250,021,337.89
  5. Step 5: Solve for x
    x = 57,250,021,337.89/269,019.02
  6. Step 6: Final answer
    x = 212,810.31

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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.