Home / 347,263.20-520,075.60-214,552.80

Finding the Fourth Proportional to 347,263.20, 520,075.60 and 214,552.80

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Solution

The fourth proportional to 347,263.20, 520,075.60 and 214,552.80 is: 321,323.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,263.20 : 520,075.60 = 214,552.80 : x
  2. Step 2: Convert to fraction form
    347,263.20/520,075.60 = 214,552.80/x
  3. Step 3: Cross multiply
    347,263.20x = 520,075.60 × 214,552.80
  4. Step 4: Simplify right side
    347,263.20x = 111,583,676,191.68
  5. Step 5: Solve for x
    x = 111,583,676,191.68/347,263.20
  6. Step 6: Final answer
    x = 321,323.07

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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.