Home / 283,018.42-390,297.36-181,076.14

Finding the Fourth Proportional to 283,018.42, 390,297.36 and 181,076.14

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Solution

The fourth proportional to 283,018.42, 390,297.36 and 181,076.14 is: 249,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,018.42 : 390,297.36 = 181,076.14 : x
  2. Step 2: Convert to fraction form
    283,018.42/390,297.36 = 181,076.14/x
  3. Step 3: Cross multiply
    283,018.42x = 390,297.36 × 181,076.14
  4. Step 4: Simplify right side
    283,018.42x = 70,673,539,400.99
  5. Step 5: Solve for x
    x = 70,673,539,400.99/283,018.42
  6. Step 6: Final answer
    x = 249,713.57

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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.