Home / 380,209.95-524,715.12-219,075.44

Finding the Fourth Proportional to 380,209.95, 524,715.12 and 219,075.44

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Solution

The fourth proportional to 380,209.95, 524,715.12 and 219,075.44 is: 302,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,209.95 : 524,715.12 = 219,075.44 : x
  2. Step 2: Convert to fraction form
    380,209.95/524,715.12 = 219,075.44/x
  3. Step 3: Cross multiply
    380,209.95x = 524,715.12 × 219,075.44
  4. Step 4: Simplify right side
    380,209.95x = 114,952,193,165.08
  5. Step 5: Solve for x
    x = 114,952,193,165.08/380,209.95
  6. Step 6: Final answer
    x = 302,338.73

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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.