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Finding the Fourth Proportional to 347,218.33, 520,288.77 and 240,809.84

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Solution

The fourth proportional to 347,218.33, 520,288.77 and 240,809.84 is: 360,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,218.33 : 520,288.77 = 240,809.84 : x
  2. Step 2: Convert to fraction form
    347,218.33/520,288.77 = 240,809.84/x
  3. Step 3: Cross multiply
    347,218.33x = 520,288.77 × 240,809.84
  4. Step 4: Simplify right side
    347,218.33x = 125,290,655,457.50
  5. Step 5: Solve for x
    x = 125,290,655,457.50/347,218.33
  6. Step 6: Final answer
    x = 360,841.13

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1.5x scale

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.