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Finding the Fourth Proportional to 319,157.84, 440,405.37 and 183,159.25

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Solution

The fourth proportional to 319,157.84, 440,405.37 and 183,159.25 is: 252,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,157.84 : 440,405.37 = 183,159.25 : x
  2. Step 2: Convert to fraction form
    319,157.84/440,405.37 = 183,159.25/x
  3. Step 3: Cross multiply
    319,157.84x = 440,405.37 × 183,159.25
  4. Step 4: Simplify right side
    319,157.84x = 80,664,316,164.16
  5. Step 5: Solve for x
    x = 80,664,316,164.16/319,157.84
  6. Step 6: Final answer
    x = 252,741.14

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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.