Home / 388,977.52-583,133.48-149,263.44

Finding the Fourth Proportional to 388,977.52, 583,133.48 and 149,263.44

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Solution

The fourth proportional to 388,977.52, 583,133.48 and 149,263.44 is: 223,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,977.52 : 583,133.48 = 149,263.44 : x
  2. Step 2: Convert to fraction form
    388,977.52/583,133.48 = 149,263.44/x
  3. Step 3: Cross multiply
    388,977.52x = 583,133.48 × 149,263.44
  4. Step 4: Simplify right side
    388,977.52x = 87,040,509,203.97
  5. Step 5: Solve for x
    x = 87,040,509,203.97/388,977.52
  6. Step 6: Final answer
    x = 223,767.45

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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.