Home / 380,483.33-525,065.90-210,717.45

Finding the Fourth Proportional to 380,483.33, 525,065.90 and 210,717.45

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Solution

The fourth proportional to 380,483.33, 525,065.90 and 210,717.45 is: 290,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,483.33 : 525,065.90 = 210,717.45 : x
  2. Step 2: Convert to fraction form
    380,483.33/525,065.90 = 210,717.45/x
  3. Step 3: Cross multiply
    380,483.33x = 525,065.90 × 210,717.45
  4. Step 4: Simplify right side
    380,483.33x = 110,640,546,476.37
  5. Step 5: Solve for x
    x = 110,640,546,476.37/380,483.33
  6. Step 6: Final answer
    x = 290,789.48

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1.5x scale

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.