Home / 340,971.51-511,438.65-104,314.17

Finding the Fourth Proportional to 340,971.51, 511,438.65 and 104,314.17

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Solution

The fourth proportional to 340,971.51, 511,438.65 and 104,314.17 is: 156,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,971.51 : 511,438.65 = 104,314.17 : x
  2. Step 2: Convert to fraction form
    340,971.51/511,438.65 = 104,314.17/x
  3. Step 3: Cross multiply
    340,971.51x = 511,438.65 × 104,314.17
  4. Step 4: Simplify right side
    340,971.51x = 53,350,298,280.67
  5. Step 5: Solve for x
    x = 53,350,298,280.67/340,971.51
  6. Step 6: Final answer
    x = 156,465.56

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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.