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Finding the Fourth Proportional to 207,345.06, 311,017.60 and 102,369.06

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Solution

The fourth proportional to 207,345.06, 311,017.60 and 102,369.06 is: 153,553.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,345.06 : 311,017.60 = 102,369.06 : x
  2. Step 2: Convert to fraction form
    207,345.06/311,017.60 = 102,369.06/x
  3. Step 3: Cross multiply
    207,345.06x = 311,017.60 × 102,369.06
  4. Step 4: Simplify right side
    207,345.06x = 31,838,579,355.46
  5. Step 5: Solve for x
    x = 31,838,579,355.46/207,345.06
  6. Step 6: Final answer
    x = 153,553.59

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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.