Home / 377,136.48-520,450.46-205,056.13

Finding the Fourth Proportional to 377,136.48, 520,450.46 and 205,056.13

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Solution

The fourth proportional to 377,136.48, 520,450.46 and 205,056.13 is: 282,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,136.48 : 520,450.46 = 205,056.13 : x
  2. Step 2: Convert to fraction form
    377,136.48/520,450.46 = 205,056.13/x
  3. Step 3: Cross multiply
    377,136.48x = 520,450.46 × 205,056.13
  4. Step 4: Simplify right side
    377,136.48x = 106,721,559,219.93
  5. Step 5: Solve for x
    x = 106,721,559,219.93/377,136.48
  6. Step 6: Final answer
    x = 282,978.62

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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.