Home / 387,130.94-580,777.25-195,113.29

Finding the Fourth Proportional to 387,130.94, 580,777.25 and 195,113.29

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Solution

The fourth proportional to 387,130.94, 580,777.25 and 195,113.29 is: 292,710.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,130.94 : 580,777.25 = 195,113.29 : x
  2. Step 2: Convert to fraction form
    387,130.94/580,777.25 = 195,113.29/x
  3. Step 3: Cross multiply
    387,130.94x = 580,777.25 × 195,113.29
  4. Step 4: Simplify right side
    387,130.94x = 113,317,357,577.14
  5. Step 5: Solve for x
    x = 113,317,357,577.14/387,130.94
  6. Step 6: Final answer
    x = 292,710.67

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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.