Home / 356,389.04-534,583.38-143,156.82

Finding the Fourth Proportional to 356,389.04, 534,583.38 and 143,156.82

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Solution

The fourth proportional to 356,389.04, 534,583.38 and 143,156.82 is: 214,735.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,389.04 : 534,583.38 = 143,156.82 : x
  2. Step 2: Convert to fraction form
    356,389.04/534,583.38 = 143,156.82/x
  3. Step 3: Cross multiply
    356,389.04x = 534,583.38 × 143,156.82
  4. Step 4: Simplify right side
    356,389.04x = 76,529,256,705.65
  5. Step 5: Solve for x
    x = 76,529,256,705.65/356,389.04
  6. Step 6: Final answer
    x = 214,735.16

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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.