Home / 314,899.02-472,299.83-115,172.70

Finding the Fourth Proportional to 314,899.02, 472,299.83 and 115,172.70

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Solution

The fourth proportional to 314,899.02, 472,299.83 and 115,172.70 is: 172,741.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,899.02 : 472,299.83 = 115,172.70 : x
  2. Step 2: Convert to fraction form
    314,899.02/472,299.83 = 115,172.70/x
  3. Step 3: Cross multiply
    314,899.02x = 472,299.83 × 115,172.70
  4. Step 4: Simplify right side
    314,899.02x = 54,396,044,557.07
  5. Step 5: Solve for x
    x = 54,396,044,557.07/314,899.02
  6. Step 6: Final answer
    x = 172,741.23

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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.