Home / 347,970.42-521,827.58-120,208.07

Finding the Fourth Proportional to 347,970.42, 521,827.58 and 120,208.07

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Solution

The fourth proportional to 347,970.42, 521,827.58 and 120,208.07 is: 180,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,970.42 : 521,827.58 = 120,208.07 : x
  2. Step 2: Convert to fraction form
    347,970.42/521,827.58 = 120,208.07/x
  3. Step 3: Cross multiply
    347,970.42x = 521,827.58 × 120,208.07
  4. Step 4: Simplify right side
    347,970.42x = 62,727,883,054.39
  5. Step 5: Solve for x
    x = 62,727,883,054.39/347,970.42
  6. Step 6: Final answer
    x = 180,267.86

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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.