Home / 377,931.10-521,544.88-208,165.24

Finding the Fourth Proportional to 377,931.10, 521,544.88 and 208,165.24

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Solution

The fourth proportional to 377,931.10, 521,544.88 and 208,165.24 is: 287,268.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,931.10 : 521,544.88 = 208,165.24 : x
  2. Step 2: Convert to fraction form
    377,931.10/521,544.88 = 208,165.24/x
  3. Step 3: Cross multiply
    377,931.10x = 521,544.88 × 208,165.24
  4. Step 4: Simplify right side
    377,931.10x = 108,567,515,115.97
  5. Step 5: Solve for x
    x = 108,567,515,115.97/377,931.10
  6. Step 6: Final answer
    x = 287,268.01

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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.