Home / 352,930.02-529,493.85-142,715.58

Finding the Fourth Proportional to 352,930.02, 529,493.85 and 142,715.58

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Solution

The fourth proportional to 352,930.02, 529,493.85 and 142,715.58 is: 214,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,930.02 : 529,493.85 = 142,715.58 : x
  2. Step 2: Convert to fraction form
    352,930.02/529,493.85 = 142,715.58/x
  3. Step 3: Cross multiply
    352,930.02x = 529,493.85 × 142,715.58
  4. Step 4: Simplify right side
    352,930.02x = 75,567,021,909.18
  5. Step 5: Solve for x
    x = 75,567,021,909.18/352,930.02
  6. Step 6: Final answer
    x = 214,113.33

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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.