Home / 368,255.81-552,380.02-128,369.23

Finding the Fourth Proportional to 368,255.81, 552,380.02 and 128,369.23

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Solution

The fourth proportional to 368,255.81, 552,380.02 and 128,369.23 is: 192,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,255.81 : 552,380.02 = 128,369.23 : x
  2. Step 2: Convert to fraction form
    368,255.81/552,380.02 = 128,369.23/x
  3. Step 3: Cross multiply
    368,255.81x = 552,380.02 × 128,369.23
  4. Step 4: Simplify right side
    368,255.81x = 70,908,597,834.78
  5. Step 5: Solve for x
    x = 70,908,597,834.78/368,255.81
  6. Step 6: Final answer
    x = 192,552.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.