Home / 282,944.32-390,465.78-153,884.02

Finding the Fourth Proportional to 282,944.32, 390,465.78 and 153,884.02

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Solution

The fourth proportional to 282,944.32, 390,465.78 and 153,884.02 is: 212,361.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,944.32 : 390,465.78 = 153,884.02 : x
  2. Step 2: Convert to fraction form
    282,944.32/390,465.78 = 153,884.02/x
  3. Step 3: Cross multiply
    282,944.32x = 390,465.78 × 153,884.02
  4. Step 4: Simplify right side
    282,944.32x = 60,086,443,898.84
  5. Step 5: Solve for x
    x = 60,086,443,898.84/282,944.32
  6. Step 6: Final answer
    x = 212,361.37

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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.