Home / 380,016.05-524,400.41-210,240.05

Finding the Fourth Proportional to 380,016.05, 524,400.41 and 210,240.05

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Solution

The fourth proportional to 380,016.05, 524,400.41 and 210,240.05 is: 290,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,016.05 : 524,400.41 = 210,240.05 : x
  2. Step 2: Convert to fraction form
    380,016.05/524,400.41 = 210,240.05/x
  3. Step 3: Cross multiply
    380,016.05x = 524,400.41 × 210,240.05
  4. Step 4: Simplify right side
    380,016.05x = 110,249,966,322.02
  5. Step 5: Solve for x
    x = 110,249,966,322.02/380,016.05
  6. Step 6: Final answer
    x = 290,119.24

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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.