Home / 347,021.90-521,569.65-301,402.70

Finding the Fourth Proportional to 347,021.90, 521,569.65 and 301,402.70

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Solution

The fourth proportional to 347,021.90, 521,569.65 and 301,402.70 is: 453,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,021.90 : 521,569.65 = 301,402.70 : x
  2. Step 2: Convert to fraction form
    347,021.90/521,569.65 = 301,402.70/x
  3. Step 3: Cross multiply
    347,021.90x = 521,569.65 × 301,402.70
  4. Step 4: Simplify right side
    347,021.90x = 157,202,500,748.06
  5. Step 5: Solve for x
    x = 157,202,500,748.06/347,021.90
  6. Step 6: Final answer
    x = 453,004.55

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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.