Home / 283,138.32-390,568.36-176,970

Finding the Fourth Proportional to 283,138.32, 390,568.36 and 176,970

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Solution

The fourth proportional to 283,138.32, 390,568.36 and 176,970 is: 244,117.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,138.32 : 390,568.36 = 176,970 : x
  2. Step 2: Convert to fraction form
    283,138.32/390,568.36 = 176,970/x
  3. Step 3: Cross multiply
    283,138.32x = 390,568.36 × 176,970
  4. Step 4: Simplify right side
    283,138.32x = 69,118,882,669.20
  5. Step 5: Solve for x
    x = 69,118,882,669.20/283,138.32
  6. Step 6: Final answer
    x = 244,117.02

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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.