Home / 500,184.72-690,254.64-273,830.22

Finding the Fourth Proportional to 500,184.72, 690,254.64 and 273,830.22

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Solution

The fourth proportional to 500,184.72, 690,254.64 and 273,830.22 is: 377,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,184.72 : 690,254.64 = 273,830.22 : x
  2. Step 2: Convert to fraction form
    500,184.72/690,254.64 = 273,830.22/x
  3. Step 3: Cross multiply
    500,184.72x = 690,254.64 × 273,830.22
  4. Step 4: Simplify right side
    500,184.72x = 189,012,579,927.22
  5. Step 5: Solve for x
    x = 189,012,579,927.22/500,184.72
  6. Step 6: Final answer
    x = 377,885.55

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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.