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Finding the Fourth Proportional to 265,071.03, 397,536.75 and 180,815.51

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Solution

The fourth proportional to 265,071.03, 397,536.75 and 180,815.51 is: 271,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,071.03 : 397,536.75 = 180,815.51 : x
  2. Step 2: Convert to fraction form
    265,071.03/397,536.75 = 180,815.51/x
  3. Step 3: Cross multiply
    265,071.03x = 397,536.75 × 180,815.51
  4. Step 4: Simplify right side
    265,071.03x = 71,880,808,207.31
  5. Step 5: Solve for x
    x = 71,880,808,207.31/265,071.03
  6. Step 6: Final answer
    x = 271,175.65

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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.