Home / 371,435.58-557,233.32-115,263.06

Finding the Fourth Proportional to 371,435.58, 557,233.32 and 115,263.06

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Solution

The fourth proportional to 371,435.58, 557,233.32 and 115,263.06 is: 172,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,435.58 : 557,233.32 = 115,263.06 : x
  2. Step 2: Convert to fraction form
    371,435.58/557,233.32 = 115,263.06/x
  3. Step 3: Cross multiply
    371,435.58x = 557,233.32 × 115,263.06
  4. Step 4: Simplify right side
    371,435.58x = 64,228,417,597.16
  5. Step 5: Solve for x
    x = 64,228,417,597.16/371,435.58
  6. Step 6: Final answer
    x = 172,919.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.