Home / 380,402.04-524,948.40-210,632.52

Finding the Fourth Proportional to 380,402.04, 524,948.40 and 210,632.52

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Solution

The fourth proportional to 380,402.04, 524,948.40 and 210,632.52 is: 290,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,402.04 : 524,948.40 = 210,632.52 : x
  2. Step 2: Convert to fraction form
    380,402.04/524,948.40 = 210,632.52/x
  3. Step 3: Cross multiply
    380,402.04x = 524,948.40 × 210,632.52
  4. Step 4: Simplify right side
    380,402.04x = 110,571,204,361.97
  5. Step 5: Solve for x
    x = 110,571,204,361.97/380,402.04
  6. Step 6: Final answer
    x = 290,669.33

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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.