Home / 376,450.04-519,352.88-215,218.46

Finding the Fourth Proportional to 376,450.04, 519,352.88 and 215,218.46

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Solution

The fourth proportional to 376,450.04, 519,352.88 and 215,218.46 is: 296,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,450.04 : 519,352.88 = 215,218.46 : x
  2. Step 2: Convert to fraction form
    376,450.04/519,352.88 = 215,218.46/x
  3. Step 3: Cross multiply
    376,450.04x = 519,352.88 × 215,218.46
  4. Step 4: Simplify right side
    376,450.04x = 111,774,327,030.17
  5. Step 5: Solve for x
    x = 111,774,327,030.17/376,450.04
  6. Step 6: Final answer
    x = 296,916.76

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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.