Home / 377,623.16-521,123.46-207,858.50

Finding the Fourth Proportional to 377,623.16, 521,123.46 and 207,858.50

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Solution

The fourth proportional to 377,623.16, 521,123.46 and 207,858.50 is: 286,846.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,623.16 : 521,123.46 = 207,858.50 : x
  2. Step 2: Convert to fraction form
    377,623.16/521,123.46 = 207,858.50/x
  3. Step 3: Cross multiply
    377,623.16x = 521,123.46 × 207,858.50
  4. Step 4: Simplify right side
    377,623.16x = 108,319,940,710.41
  5. Step 5: Solve for x
    x = 108,319,940,710.41/377,623.16
  6. Step 6: Final answer
    x = 286,846.66

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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.