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Finding the Fourth Proportional to 336,526.29, 505,121.94 and 147,117.37

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Solution

The fourth proportional to 336,526.29, 505,121.94 and 147,117.37 is: 220,821.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,526.29 : 505,121.94 = 147,117.37 : x
  2. Step 2: Convert to fraction form
    336,526.29/505,121.94 = 147,117.37/x
  3. Step 3: Cross multiply
    336,526.29x = 505,121.94 × 147,117.37
  4. Step 4: Simplify right side
    336,526.29x = 74,312,211,342.10
  5. Step 5: Solve for x
    x = 74,312,211,342.10/336,526.29
  6. Step 6: Final answer
    x = 220,821.41

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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.