Home / 212,878.48-319,325.26-52,955.24

Finding the Fourth Proportional to 212,878.48, 319,325.26 and 52,955.24

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Solution

The fourth proportional to 212,878.48, 319,325.26 and 52,955.24 is: 79,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,878.48 : 319,325.26 = 52,955.24 : x
  2. Step 2: Convert to fraction form
    212,878.48/319,325.26 = 52,955.24/x
  3. Step 3: Cross multiply
    212,878.48x = 319,325.26 × 52,955.24
  4. Step 4: Simplify right side
    212,878.48x = 16,909,945,781.36
  5. Step 5: Solve for x
    x = 16,909,945,781.36/212,878.48
  6. Step 6: Final answer
    x = 79,434.74

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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.