Home / 500,054.24-690,069.98-270,606.64

Finding the Fourth Proportional to 500,054.24, 690,069.98 and 270,606.64

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Solution

The fourth proportional to 500,054.24, 690,069.98 and 270,606.64 is: 373,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,054.24 : 690,069.98 = 270,606.64 : x
  2. Step 2: Convert to fraction form
    500,054.24/690,069.98 = 270,606.64/x
  3. Step 3: Cross multiply
    500,054.24x = 690,069.98 × 270,606.64
  4. Step 4: Simplify right side
    500,054.24x = 186,737,518,652.67
  5. Step 5: Solve for x
    x = 186,737,518,652.67/500,054.24
  6. Step 6: Final answer
    x = 373,434.53

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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.