Home / 238,330.48-328,900.02-130,910.44

Finding the Fourth Proportional to 238,330.48, 328,900.02 and 130,910.44

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Solution

The fourth proportional to 238,330.48, 328,900.02 and 130,910.44 is: 180,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,330.48 : 328,900.02 = 130,910.44 : x
  2. Step 2: Convert to fraction form
    238,330.48/328,900.02 = 130,910.44/x
  3. Step 3: Cross multiply
    238,330.48x = 328,900.02 × 130,910.44
  4. Step 4: Simplify right side
    238,330.48x = 43,056,446,334.21
  5. Step 5: Solve for x
    x = 43,056,446,334.21/238,330.48
  6. Step 6: Final answer
    x = 180,658.58

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1.5x scale

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.