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Finding the Fourth Proportional to 216,510.24, 325,059.87 and 121,807.07

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Solution

The fourth proportional to 216,510.24, 325,059.87 and 121,807.07 is: 182,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,510.24 : 325,059.87 = 121,807.07 : x
  2. Step 2: Convert to fraction form
    216,510.24/325,059.87 = 121,807.07/x
  3. Step 3: Cross multiply
    216,510.24x = 325,059.87 × 121,807.07
  4. Step 4: Simplify right side
    216,510.24x = 39,594,590,339.28
  5. Step 5: Solve for x
    x = 39,594,590,339.28/216,510.24
  6. Step 6: Final answer
    x = 182,876.29

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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.