Home / 401,721.04-602,566.98-121,231

Finding the Fourth Proportional to 401,721.04, 602,566.98 and 121,231

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Solution

The fourth proportional to 401,721.04, 602,566.98 and 121,231 is: 181,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,721.04 : 602,566.98 = 121,231 : x
  2. Step 2: Convert to fraction form
    401,721.04/602,566.98 = 121,231/x
  3. Step 3: Cross multiply
    401,721.04x = 602,566.98 × 121,231
  4. Step 4: Simplify right side
    401,721.04x = 73,049,797,552.38
  5. Step 5: Solve for x
    x = 73,049,797,552.38/401,721.04
  6. Step 6: Final answer
    x = 181,842.10

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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.