Home / 219,032.10-328,548.15-140,235.30

Finding the Fourth Proportional to 219,032.10, 328,548.15 and 140,235.30

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Solution

The fourth proportional to 219,032.10, 328,548.15 and 140,235.30 is: 210,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,032.10 : 328,548.15 = 140,235.30 : x
  2. Step 2: Convert to fraction form
    219,032.10/328,548.15 = 140,235.30/x
  3. Step 3: Cross multiply
    219,032.10x = 328,548.15 × 140,235.30
  4. Step 4: Simplify right side
    219,032.10x = 46,074,048,379.70
  5. Step 5: Solve for x
    x = 46,074,048,379.70/219,032.10
  6. Step 6: Final answer
    x = 210,352.95

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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.