Home / 347,264.40-519,514.20-301,030.80

Finding the Fourth Proportional to 347,264.40, 519,514.20 and 301,030.80

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Solution

The fourth proportional to 347,264.40, 519,514.20 and 301,030.80 is: 450,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,264.40 : 519,514.20 = 301,030.80 : x
  2. Step 2: Convert to fraction form
    347,264.40/519,514.20 = 301,030.80/x
  3. Step 3: Cross multiply
    347,264.40x = 519,514.20 × 301,030.80
  4. Step 4: Simplify right side
    347,264.40x = 156,389,775,237.36
  5. Step 5: Solve for x
    x = 156,389,775,237.36/347,264.40
  6. Step 6: Final answer
    x = 450,347.85

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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.