Home / 364,788.96-503,417.28-228,828.66

Finding the Fourth Proportional to 364,788.96, 503,417.28 and 228,828.66

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Solution

The fourth proportional to 364,788.96, 503,417.28 and 228,828.66 is: 315,788.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,788.96 : 503,417.28 = 228,828.66 : x
  2. Step 2: Convert to fraction form
    364,788.96/503,417.28 = 228,828.66/x
  3. Step 3: Cross multiply
    364,788.96x = 503,417.28 × 228,828.66
  4. Step 4: Simplify right side
    364,788.96x = 115,196,301,603.25
  5. Step 5: Solve for x
    x = 115,196,301,603.25/364,788.96
  6. Step 6: Final answer
    x = 315,788.89

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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.