Home / 388,664.68-583,017.90-122,446.03

Finding the Fourth Proportional to 388,664.68, 583,017.90 and 122,446.03

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Solution

The fourth proportional to 388,664.68, 583,017.90 and 122,446.03 is: 183,675.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,664.68 : 583,017.90 = 122,446.03 : x
  2. Step 2: Convert to fraction form
    388,664.68/583,017.90 = 122,446.03/x
  3. Step 3: Cross multiply
    388,664.68x = 583,017.90 × 122,446.03
  4. Step 4: Simplify right side
    388,664.68x = 71,388,227,139.14
  5. Step 5: Solve for x
    x = 71,388,227,139.14/388,664.68
  6. Step 6: Final answer
    x = 183,675.62

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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.