Home / 380,021.22-524,436.93-210,258.18

Finding the Fourth Proportional to 380,021.22, 524,436.93 and 210,258.18

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Solution

The fourth proportional to 380,021.22, 524,436.93 and 210,258.18 is: 290,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,021.22 : 524,436.93 = 210,258.18 : x
  2. Step 2: Convert to fraction form
    380,021.22/524,436.93 = 210,258.18/x
  3. Step 3: Cross multiply
    380,021.22x = 524,436.93 × 210,258.18
  4. Step 4: Simplify right side
    380,021.22x = 110,267,154,426.59
  5. Step 5: Solve for x
    x = 110,267,154,426.59/380,021.22
  6. Step 6: Final answer
    x = 290,160.52

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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.