Home / 231,141-346,529.79-155,316.50

Finding the Fourth Proportional to 231,141, 346,529.79 and 155,316.50

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Solution

The fourth proportional to 231,141, 346,529.79 and 155,316.50 is: 232,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,141 : 346,529.79 = 155,316.50 : x
  2. Step 2: Convert to fraction form
    231,141/346,529.79 = 155,316.50/x
  3. Step 3: Cross multiply
    231,141x = 346,529.79 × 155,316.50
  4. Step 4: Simplify right side
    231,141x = 53,821,794,128.54
  5. Step 5: Solve for x
    x = 53,821,794,128.54/231,141
  6. Step 6: Final answer
    x = 232,852.65

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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.