Home / 382,960.89-528,465.33-210,845.34

Finding the Fourth Proportional to 382,960.89, 528,465.33 and 210,845.34

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Solution

The fourth proportional to 382,960.89, 528,465.33 and 210,845.34 is: 290,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,960.89 : 528,465.33 = 210,845.34 : x
  2. Step 2: Convert to fraction form
    382,960.89/528,465.33 = 210,845.34/x
  3. Step 3: Cross multiply
    382,960.89x = 528,465.33 × 210,845.34
  4. Step 4: Simplify right side
    382,960.89x = 111,424,452,182.06
  5. Step 5: Solve for x
    x = 111,424,452,182.06/382,960.89
  6. Step 6: Final answer
    x = 290,955.17

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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.