Home / 319,231.44-440,531.28-175,988.16

Finding the Fourth Proportional to 319,231.44, 440,531.28 and 175,988.16

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Solution

The fourth proportional to 319,231.44, 440,531.28 and 175,988.16 is: 242,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,231.44 : 440,531.28 = 175,988.16 : x
  2. Step 2: Convert to fraction form
    319,231.44/440,531.28 = 175,988.16/x
  3. Step 3: Cross multiply
    319,231.44x = 440,531.28 × 175,988.16
  4. Step 4: Simplify right side
    319,231.44x = 77,528,289,389.64
  5. Step 5: Solve for x
    x = 77,528,289,389.64/319,231.44
  6. Step 6: Final answer
    x = 242,859.19

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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.