Home / 389,041.80-583,562.94-122,829.48

Finding the Fourth Proportional to 389,041.80, 583,562.94 and 122,829.48

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Solution

The fourth proportional to 389,041.80, 583,562.94 and 122,829.48 is: 184,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,041.80 : 583,562.94 = 122,829.48 : x
  2. Step 2: Convert to fraction form
    389,041.80/583,562.94 = 122,829.48/x
  3. Step 3: Cross multiply
    389,041.80x = 583,562.94 × 122,829.48
  4. Step 4: Simplify right side
    389,041.80x = 71,678,732,467.47
  5. Step 5: Solve for x
    x = 71,678,732,467.47/389,041.80
  6. Step 6: Final answer
    x = 184,244.30

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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.