Home / 380,558.45-525,187.97-210,792.57

Finding the Fourth Proportional to 380,558.45, 525,187.97 and 210,792.57

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Solution

The fourth proportional to 380,558.45, 525,187.97 and 210,792.57 is: 290,903.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,558.45 : 525,187.97 = 210,792.57 : x
  2. Step 2: Convert to fraction form
    380,558.45/525,187.97 = 210,792.57/x
  3. Step 3: Cross multiply
    380,558.45x = 525,187.97 × 210,792.57
  4. Step 4: Simplify right side
    380,558.45x = 110,705,720,875.42
  5. Step 5: Solve for x
    x = 110,705,720,875.42/380,558.45
  6. Step 6: Final answer
    x = 290,903.34

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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.