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Finding the Fourth Proportional to 347,356.94, 520,194.47 and 240,441.30

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Solution

The fourth proportional to 347,356.94, 520,194.47 and 240,441.30 is: 360,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,356.94 : 520,194.47 = 240,441.30 : x
  2. Step 2: Convert to fraction form
    347,356.94/520,194.47 = 240,441.30/x
  3. Step 3: Cross multiply
    347,356.94x = 520,194.47 × 240,441.30
  4. Step 4: Simplify right side
    347,356.94x = 125,076,233,417.41
  5. Step 5: Solve for x
    x = 125,076,233,417.41/347,356.94
  6. Step 6: Final answer
    x = 360,079.85

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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.