Home / 380,180.36-524,707.80-216,837.20

Finding the Fourth Proportional to 380,180.36, 524,707.80 and 216,837.20

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Solution

The fourth proportional to 380,180.36, 524,707.80 and 216,837.20 is: 299,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,180.36 : 524,707.80 = 216,837.20 : x
  2. Step 2: Convert to fraction form
    380,180.36/524,707.80 = 216,837.20/x
  3. Step 3: Cross multiply
    380,180.36x = 524,707.80 × 216,837.20
  4. Step 4: Simplify right side
    380,180.36x = 113,776,170,170.16
  5. Step 5: Solve for x
    x = 113,776,170,170.16/380,180.36
  6. Step 6: Final answer
    x = 299,268.93

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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.