Home / 376,115.49-519,030-210,541.14

Finding the Fourth Proportional to 376,115.49, 519,030 and 210,541.14

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Solution

The fourth proportional to 376,115.49, 519,030 and 210,541.14 is: 290,541.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,115.49 : 519,030 = 210,541.14 : x
  2. Step 2: Convert to fraction form
    376,115.49/519,030 = 210,541.14/x
  3. Step 3: Cross multiply
    376,115.49x = 519,030 × 210,541.14
  4. Step 4: Simplify right side
    376,115.49x = 109,277,167,894.20
  5. Step 5: Solve for x
    x = 109,277,167,894.20/376,115.49
  6. Step 6: Final answer
    x = 290,541.52

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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.