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Finding the Fourth Proportional to 303,477.72, 418,799.28 and 167,511.70

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Solution

The fourth proportional to 303,477.72, 418,799.28 and 167,511.70 is: 231,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,477.72 : 418,799.28 = 167,511.70 : x
  2. Step 2: Convert to fraction form
    303,477.72/418,799.28 = 167,511.70/x
  3. Step 3: Cross multiply
    303,477.72x = 418,799.28 × 167,511.70
  4. Step 4: Simplify right side
    303,477.72x = 70,153,779,351.58
  5. Step 5: Solve for x
    x = 70,153,779,351.58/303,477.72
  6. Step 6: Final answer
    x = 231,166.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.