Home / 377,821.04-521,381.64-208,056.08

Finding the Fourth Proportional to 377,821.04, 521,381.64 and 208,056.08

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Solution

The fourth proportional to 377,821.04, 521,381.64 and 208,056.08 is: 287,111.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,821.04 : 521,381.64 = 208,056.08 : x
  2. Step 2: Convert to fraction form
    377,821.04/521,381.64 = 208,056.08/x
  3. Step 3: Cross multiply
    377,821.04x = 521,381.64 × 208,056.08
  4. Step 4: Simplify right side
    377,821.04x = 108,476,620,202.37
  5. Step 5: Solve for x
    x = 108,476,620,202.37/377,821.04
  6. Step 6: Final answer
    x = 287,111.12

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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.