Home / 380,952.21-571,514.43-191,503.35

Finding the Fourth Proportional to 380,952.21, 571,514.43 and 191,503.35

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Solution

The fourth proportional to 380,952.21, 571,514.43 and 191,503.35 is: 287,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,952.21 : 571,514.43 = 191,503.35 : x
  2. Step 2: Convert to fraction form
    380,952.21/571,514.43 = 191,503.35/x
  3. Step 3: Cross multiply
    380,952.21x = 571,514.43 × 191,503.35
  4. Step 4: Simplify right side
    380,952.21x = 109,446,927,918.34
  5. Step 5: Solve for x
    x = 109,446,927,918.34/380,952.21
  6. Step 6: Final answer
    x = 287,298.31

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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.