Home / 352,931.02-529,495.35-142,716.58

Finding the Fourth Proportional to 352,931.02, 529,495.35 and 142,716.58

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Solution

The fourth proportional to 352,931.02, 529,495.35 and 142,716.58 is: 214,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,931.02 : 529,495.35 = 142,716.58 : x
  2. Step 2: Convert to fraction form
    352,931.02/529,495.35 = 142,716.58/x
  3. Step 3: Cross multiply
    352,931.02x = 529,495.35 × 142,716.58
  4. Step 4: Simplify right side
    352,931.02x = 75,567,765,477.90
  5. Step 5: Solve for x
    x = 75,567,765,477.90/352,931.02
  6. Step 6: Final answer
    x = 214,114.83

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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.