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Finding the Fourth Proportional to 513,802.31, 770,777.17 and 158,844.04

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Solution

The fourth proportional to 513,802.31, 770,777.17 and 158,844.04 is: 238,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,802.31 : 770,777.17 = 158,844.04 : x
  2. Step 2: Convert to fraction form
    513,802.31/770,777.17 = 158,844.04/x
  3. Step 3: Cross multiply
    513,802.31x = 770,777.17 × 158,844.04
  4. Step 4: Simplify right side
    513,802.31x = 122,433,357,298.51
  5. Step 5: Solve for x
    x = 122,433,357,298.51/513,802.31
  6. Step 6: Final answer
    x = 238,288.84

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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.