Home / 347,022.40-521,570.40-301,403.20

Finding the Fourth Proportional to 347,022.40, 521,570.40 and 301,403.20

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Solution

The fourth proportional to 347,022.40, 521,570.40 and 301,403.20 is: 453,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,022.40 : 521,570.40 = 301,403.20 : x
  2. Step 2: Convert to fraction form
    347,022.40/521,570.40 = 301,403.20/x
  3. Step 3: Cross multiply
    347,022.40x = 521,570.40 × 301,403.20
  4. Step 4: Simplify right side
    347,022.40x = 157,202,987,585.28
  5. Step 5: Solve for x
    x = 157,202,987,585.28/347,022.40
  6. Step 6: Final answer
    x = 453,005.30

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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.