Home / 388,788.03-536,596.14-308,825.82

Finding the Fourth Proportional to 388,788.03, 536,596.14 and 308,825.82

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Solution

The fourth proportional to 388,788.03, 536,596.14 and 308,825.82 is: 426,234.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,788.03 : 536,596.14 = 308,825.82 : x
  2. Step 2: Convert to fraction form
    388,788.03/536,596.14 = 308,825.82/x
  3. Step 3: Cross multiply
    388,788.03x = 536,596.14 × 308,825.82
  4. Step 4: Simplify right side
    388,788.03x = 165,714,742,944.34
  5. Step 5: Solve for x
    x = 165,714,742,944.34/388,788.03
  6. Step 6: Final answer
    x = 426,234.17

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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.