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Finding the Fourth Proportional to 377,381.98, 520,790.52 and 205,303.71

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Solution

The fourth proportional to 377,381.98, 520,790.52 and 205,303.71 is: 283,320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,381.98 : 520,790.52 = 205,303.71 : x
  2. Step 2: Convert to fraction form
    377,381.98/520,790.52 = 205,303.71/x
  3. Step 3: Cross multiply
    377,381.98x = 520,790.52 × 205,303.71
  4. Step 4: Simplify right side
    377,381.98x = 106,920,225,888.83
  5. Step 5: Solve for x
    x = 106,920,225,888.83/377,381.98
  6. Step 6: Final answer
    x = 283,320.96

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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.