Home / 388,727.14-583,090.71-222,398.50

Finding the Fourth Proportional to 388,727.14, 583,090.71 and 222,398.50

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Solution

The fourth proportional to 388,727.14, 583,090.71 and 222,398.50 is: 333,597.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,727.14 : 583,090.71 = 222,398.50 : x
  2. Step 2: Convert to fraction form
    388,727.14/583,090.71 = 222,398.50/x
  3. Step 3: Cross multiply
    388,727.14x = 583,090.71 × 222,398.50
  4. Step 4: Simplify right side
    388,727.14x = 129,678,499,267.94
  5. Step 5: Solve for x
    x = 129,678,499,267.94/388,727.14
  6. Step 6: Final answer
    x = 333,597.75

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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.