Home / 286,829.36-395,834.16-157,773.32

Finding the Fourth Proportional to 286,829.36, 395,834.16 and 157,773.32

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Solution

The fourth proportional to 286,829.36, 395,834.16 and 157,773.32 is: 217,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,829.36 : 395,834.16 = 157,773.32 : x
  2. Step 2: Convert to fraction form
    286,829.36/395,834.16 = 157,773.32/x
  3. Step 3: Cross multiply
    286,829.36x = 395,834.16 × 157,773.32
  4. Step 4: Simplify right side
    286,829.36x = 62,452,069,592.61
  5. Step 5: Solve for x
    x = 62,452,069,592.61/286,829.36
  6. Step 6: Final answer
    x = 217,732.49

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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.