Home / 219,521.34-329,045.83-143,591.30

Finding the Fourth Proportional to 219,521.34, 329,045.83 and 143,591.30

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Solution

The fourth proportional to 219,521.34, 329,045.83 and 143,591.30 is: 215,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,521.34 : 329,045.83 = 143,591.30 : x
  2. Step 2: Convert to fraction form
    219,521.34/329,045.83 = 143,591.30/x
  3. Step 3: Cross multiply
    219,521.34x = 329,045.83 × 143,591.30
  4. Step 4: Simplify right side
    219,521.34x = 47,248,117,718.99
  5. Step 5: Solve for x
    x = 47,248,117,718.99/219,521.34
  6. Step 6: Final answer
    x = 215,232.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.