Home / 371,678.53-557,495.23-131,804.30

Finding the Fourth Proportional to 371,678.53, 557,495.23 and 131,804.30

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Solution

The fourth proportional to 371,678.53, 557,495.23 and 131,804.30 is: 197,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,678.53 : 557,495.23 = 131,804.30 : x
  2. Step 2: Convert to fraction form
    371,678.53/557,495.23 = 131,804.30/x
  3. Step 3: Cross multiply
    371,678.53x = 557,495.23 × 131,804.30
  4. Step 4: Simplify right side
    371,678.53x = 73,480,268,543.49
  5. Step 5: Solve for x
    x = 73,480,268,543.49/371,678.53
  6. Step 6: Final answer
    x = 197,698.45

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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.