Home / 305,941.10-458,754.07-137,316.87

Finding the Fourth Proportional to 305,941.10, 458,754.07 and 137,316.87

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Solution

The fourth proportional to 305,941.10, 458,754.07 and 137,316.87 is: 205,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,941.10 : 458,754.07 = 137,316.87 : x
  2. Step 2: Convert to fraction form
    305,941.10/458,754.07 = 137,316.87/x
  3. Step 3: Cross multiply
    305,941.10x = 458,754.07 × 137,316.87
  4. Step 4: Simplify right side
    305,941.10x = 62,994,670,698.39
  5. Step 5: Solve for x
    x = 62,994,670,698.39/305,941.10
  6. Step 6: Final answer
    x = 205,904.57

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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.