Home / 219,002.54-328,501.76-69,242.81

Finding the Fourth Proportional to 219,002.54, 328,501.76 and 69,242.81

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Solution

The fourth proportional to 219,002.54, 328,501.76 and 69,242.81 is: 103,863.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,002.54 : 328,501.76 = 69,242.81 : x
  2. Step 2: Convert to fraction form
    219,002.54/328,501.76 = 69,242.81/x
  3. Step 3: Cross multiply
    219,002.54x = 328,501.76 × 69,242.81
  4. Step 4: Simplify right side
    219,002.54x = 22,746,382,963.62
  5. Step 5: Solve for x
    x = 22,746,382,963.62/219,002.54
  6. Step 6: Final answer
    x = 103,863.56

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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.