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Finding the Fourth Proportional to 562,012.16, 843,295.04 and 262,449.20

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Solution

The fourth proportional to 562,012.16, 843,295.04 and 262,449.20 is: 393,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,012.16 : 843,295.04 = 262,449.20 : x
  2. Step 2: Convert to fraction form
    562,012.16/843,295.04 = 262,449.20/x
  3. Step 3: Cross multiply
    562,012.16x = 843,295.04 × 262,449.20
  4. Step 4: Simplify right side
    562,012.16x = 221,322,108,837.19
  5. Step 5: Solve for x
    x = 221,322,108,837.19/562,012.16
  6. Step 6: Final answer
    x = 393,803.06

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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.