Home / 395,222.34-592,927.83-128,983.35

Finding the Fourth Proportional to 395,222.34, 592,927.83 and 128,983.35

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Solution

The fourth proportional to 395,222.34, 592,927.83 and 128,983.35 is: 193,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,222.34 : 592,927.83 = 128,983.35 : x
  2. Step 2: Convert to fraction form
    395,222.34/592,927.83 = 128,983.35/x
  3. Step 3: Cross multiply
    395,222.34x = 592,927.83 × 128,983.35
  4. Step 4: Simplify right side
    395,222.34x = 76,477,814,212.07
  5. Step 5: Solve for x
    x = 76,477,814,212.07/395,222.34
  6. Step 6: Final answer
    x = 193,505.80

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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.