Home / 231,478.02-319,579.02-151,045.02

Finding the Fourth Proportional to 231,478.02, 319,579.02 and 151,045.02

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Solution

The fourth proportional to 231,478.02, 319,579.02 and 151,045.02 is: 208,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,478.02 : 319,579.02 = 151,045.02 : x
  2. Step 2: Convert to fraction form
    231,478.02/319,579.02 = 151,045.02/x
  3. Step 3: Cross multiply
    231,478.02x = 319,579.02 × 151,045.02
  4. Step 4: Simplify right side
    231,478.02x = 48,270,819,467.48
  5. Step 5: Solve for x
    x = 48,270,819,467.48/231,478.02
  6. Step 6: Final answer
    x = 208,533.06

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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.