Home / 355,716.52-533,575.68-145,354.42

Finding the Fourth Proportional to 355,716.52, 533,575.68 and 145,354.42

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Solution

The fourth proportional to 355,716.52, 533,575.68 and 145,354.42 is: 218,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,716.52 : 533,575.68 = 145,354.42 : x
  2. Step 2: Convert to fraction form
    355,716.52/533,575.68 = 145,354.42/x
  3. Step 3: Cross multiply
    355,716.52x = 533,575.68 × 145,354.42
  4. Step 4: Simplify right side
    355,716.52x = 77,557,583,492.51
  5. Step 5: Solve for x
    x = 77,557,583,492.51/355,716.52
  6. Step 6: Final answer
    x = 218,032.00

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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.