Home / 388,973.69-583,504.32-122,655.41

Finding the Fourth Proportional to 388,973.69, 583,504.32 and 122,655.41

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Solution

The fourth proportional to 388,973.69, 583,504.32 and 122,655.41 is: 183,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,973.69 : 583,504.32 = 122,655.41 : x
  2. Step 2: Convert to fraction form
    388,973.69/583,504.32 = 122,655.41/x
  3. Step 3: Cross multiply
    388,973.69x = 583,504.32 × 122,655.41
  4. Step 4: Simplify right side
    388,973.69x = 71,569,961,606.37
  5. Step 5: Solve for x
    x = 71,569,961,606.37/388,973.69
  6. Step 6: Final answer
    x = 183,996.92

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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.