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Finding the Fourth Proportional to 395,918, 592,892.40 and 277,032.32

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Solution

The fourth proportional to 395,918, 592,892.40 and 277,032.32 is: 414,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,918 : 592,892.40 = 277,032.32 : x
  2. Step 2: Convert to fraction form
    395,918/592,892.40 = 277,032.32/x
  3. Step 3: Cross multiply
    395,918x = 592,892.40 × 277,032.32
  4. Step 4: Simplify right side
    395,918x = 164,250,357,082.37
  5. Step 5: Solve for x
    x = 164,250,357,082.37/395,918
  6. Step 6: Final answer
    x = 414,859.53

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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.