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Finding the Fourth Proportional to 216,607.06, 325,070.24 and 102,755.23

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Solution

The fourth proportional to 216,607.06, 325,070.24 and 102,755.23 is: 154,208.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,607.06 : 325,070.24 = 102,755.23 : x
  2. Step 2: Convert to fraction form
    216,607.06/325,070.24 = 102,755.23/x
  3. Step 3: Cross multiply
    216,607.06x = 325,070.24 × 102,755.23
  4. Step 4: Simplify right side
    216,607.06x = 33,402,666,336.46
  5. Step 5: Solve for x
    x = 33,402,666,336.46/216,607.06
  6. Step 6: Final answer
    x = 154,208.58

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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.