Home / 219,025.20-328,578.36-69,303.18

Finding the Fourth Proportional to 219,025.20, 328,578.36 and 69,303.18

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Solution

The fourth proportional to 219,025.20, 328,578.36 and 69,303.18 is: 103,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,025.20 : 328,578.36 = 69,303.18 : x
  2. Step 2: Convert to fraction form
    219,025.20/328,578.36 = 69,303.18/x
  3. Step 3: Cross multiply
    219,025.20x = 328,578.36 × 69,303.18
  4. Step 4: Simplify right side
    219,025.20x = 22,771,525,227.18
  5. Step 5: Solve for x
    x = 22,771,525,227.18/219,025.20
  6. Step 6: Final answer
    x = 103,967.60

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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.