Home / 403,032.96-556,185.42-221,740.92

Finding the Fourth Proportional to 403,032.96, 556,185.42 and 221,740.92

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Solution

The fourth proportional to 403,032.96, 556,185.42 and 221,740.92 is: 306,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,032.96 : 556,185.42 = 221,740.92 : x
  2. Step 2: Convert to fraction form
    403,032.96/556,185.42 = 221,740.92/x
  3. Step 3: Cross multiply
    403,032.96x = 556,185.42 × 221,740.92
  4. Step 4: Simplify right side
    403,032.96x = 123,329,066,721.39
  5. Step 5: Solve for x
    x = 123,329,066,721.39/403,032.96
  6. Step 6: Final answer
    x = 306,002.43

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1.5x scale

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.