Home / 268,070.72-369,923.15-153,351.63

Finding the Fourth Proportional to 268,070.72, 369,923.15 and 153,351.63

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Solution

The fourth proportional to 268,070.72, 369,923.15 and 153,351.63 is: 211,616.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,070.72 : 369,923.15 = 153,351.63 : x
  2. Step 2: Convert to fraction form
    268,070.72/369,923.15 = 153,351.63/x
  3. Step 3: Cross multiply
    268,070.72x = 369,923.15 × 153,351.63
  4. Step 4: Simplify right side
    268,070.72x = 56,728,318,410.61
  5. Step 5: Solve for x
    x = 56,728,318,410.61/268,070.72
  6. Step 6: Final answer
    x = 211,616.99

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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.