Home / 377,008.07-520,257.93-207,240.98

Finding the Fourth Proportional to 377,008.07, 520,257.93 and 207,240.98

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Solution

The fourth proportional to 377,008.07, 520,257.93 and 207,240.98 is: 285,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,008.07 : 520,257.93 = 207,240.98 : x
  2. Step 2: Convert to fraction form
    377,008.07/520,257.93 = 207,240.98/x
  3. Step 3: Cross multiply
    377,008.07x = 520,257.93 × 207,240.98
  4. Step 4: Simplify right side
    377,008.07x = 107,818,760,664.68
  5. Step 5: Solve for x
    x = 107,818,760,664.68/377,008.07
  6. Step 6: Final answer
    x = 285,985.29

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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.