Home / 251,710.47-347,360.45-138,533.22

Finding the Fourth Proportional to 251,710.47, 347,360.45 and 138,533.22

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Solution

The fourth proportional to 251,710.47, 347,360.45 and 138,533.22 is: 191,175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,710.47 : 347,360.45 = 138,533.22 : x
  2. Step 2: Convert to fraction form
    251,710.47/347,360.45 = 138,533.22/x
  3. Step 3: Cross multiply
    251,710.47x = 347,360.45 × 138,533.22
  4. Step 4: Simplify right side
    251,710.47x = 48,120,960,946.48
  5. Step 5: Solve for x
    x = 48,120,960,946.48/251,710.47
  6. Step 6: Final answer
    x = 191,175.84

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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.