Home / 376,570.08-519,669.54-215,415.18

Finding the Fourth Proportional to 376,570.08, 519,669.54 and 215,415.18

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Solution

The fourth proportional to 376,570.08, 519,669.54 and 215,415.18 is: 297,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,570.08 : 519,669.54 = 215,415.18 : x
  2. Step 2: Convert to fraction form
    376,570.08/519,669.54 = 215,415.18/x
  3. Step 3: Cross multiply
    376,570.08x = 519,669.54 × 215,415.18
  4. Step 4: Simplify right side
    376,570.08x = 111,944,707,499.62
  5. Step 5: Solve for x
    x = 111,944,707,499.62/376,570.08
  6. Step 6: Final answer
    x = 297,274.57

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1.5x scale

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.