Home / 219,214.23-328,830.90-69,465.57

Finding the Fourth Proportional to 219,214.23, 328,830.90 and 69,465.57

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Solution

The fourth proportional to 219,214.23, 328,830.90 and 69,465.57 is: 104,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,214.23 : 328,830.90 = 69,465.57 : x
  2. Step 2: Convert to fraction form
    219,214.23/328,830.90 = 69,465.57/x
  3. Step 3: Cross multiply
    219,214.23x = 328,830.90 × 69,465.57
  4. Step 4: Simplify right side
    219,214.23x = 22,842,425,902.11
  5. Step 5: Solve for x
    x = 22,842,425,902.11/219,214.23
  6. Step 6: Final answer
    x = 104,201.38

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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.