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Finding the Fourth Proportional to 251,465.50, 346,961.58 and 159,551.32

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Solution

The fourth proportional to 251,465.50, 346,961.58 and 159,551.32 is: 220,142.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,465.50 : 346,961.58 = 159,551.32 : x
  2. Step 2: Convert to fraction form
    251,465.50/346,961.58 = 159,551.32/x
  3. Step 3: Cross multiply
    251,465.50x = 346,961.58 × 159,551.32
  4. Step 4: Simplify right side
    251,465.50x = 55,358,178,078.29
  5. Step 5: Solve for x
    x = 55,358,178,078.29/251,465.50
  6. Step 6: Final answer
    x = 220,142.24

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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.