Home / 438,834.51-605,539.17-242,574.48

Finding the Fourth Proportional to 438,834.51, 605,539.17 and 242,574.48

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Solution

The fourth proportional to 438,834.51, 605,539.17 and 242,574.48 is: 334,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,834.51 : 605,539.17 = 242,574.48 : x
  2. Step 2: Convert to fraction form
    438,834.51/605,539.17 = 242,574.48/x
  3. Step 3: Cross multiply
    438,834.51x = 605,539.17 × 242,574.48
  4. Step 4: Simplify right side
    438,834.51x = 146,888,349,282.38
  5. Step 5: Solve for x
    x = 146,888,349,282.38/438,834.51
  6. Step 6: Final answer
    x = 334,723.79

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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.