Home / 386,933.94-533,816.25-223,482.42

Finding the Fourth Proportional to 386,933.94, 533,816.25 and 223,482.42

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Solution

The fourth proportional to 386,933.94, 533,816.25 and 223,482.42 is: 308,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,933.94 : 533,816.25 = 223,482.42 : x
  2. Step 2: Convert to fraction form
    386,933.94/533,816.25 = 223,482.42/x
  3. Step 3: Cross multiply
    386,933.94x = 533,816.25 × 223,482.42
  4. Step 4: Simplify right side
    386,933.94x = 119,298,547,385.33
  5. Step 5: Solve for x
    x = 119,298,547,385.33/386,933.94
  6. Step 6: Final answer
    x = 308,317.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.