Home / 376,248.45-519,075.05-215,017

Finding the Fourth Proportional to 376,248.45, 519,075.05 and 215,017

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Solution

The fourth proportional to 376,248.45, 519,075.05 and 215,017 is: 296,638.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,248.45 : 519,075.05 = 215,017 : x
  2. Step 2: Convert to fraction form
    376,248.45/519,075.05 = 215,017/x
  3. Step 3: Cross multiply
    376,248.45x = 519,075.05 × 215,017
  4. Step 4: Simplify right side
    376,248.45x = 111,609,960,025.85
  5. Step 5: Solve for x
    x = 111,609,960,025.85/376,248.45
  6. Step 6: Final answer
    x = 296,638.99

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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.