Home / 347,798.20-521,567.70-242,303.80

Finding the Fourth Proportional to 347,798.20, 521,567.70 and 242,303.80

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Solution

The fourth proportional to 347,798.20, 521,567.70 and 242,303.80 is: 363,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,798.20 : 521,567.70 = 242,303.80 : x
  2. Step 2: Convert to fraction form
    347,798.20/521,567.70 = 242,303.80/x
  3. Step 3: Cross multiply
    347,798.20x = 521,567.70 × 242,303.80
  4. Step 4: Simplify right side
    347,798.20x = 126,377,835,667.26
  5. Step 5: Solve for x
    x = 126,377,835,667.26/347,798.20
  6. Step 6: Final answer
    x = 363,365.41

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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.