Home / 421,632.32-631,435.05-241,170.66

Finding the Fourth Proportional to 421,632.32, 631,435.05 and 241,170.66

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Solution

The fourth proportional to 421,632.32, 631,435.05 and 241,170.66 is: 361,176.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,632.32 : 631,435.05 = 241,170.66 : x
  2. Step 2: Convert to fraction form
    421,632.32/631,435.05 = 241,170.66/x
  3. Step 3: Cross multiply
    421,632.32x = 631,435.05 × 241,170.66
  4. Step 4: Simplify right side
    421,632.32x = 152,283,607,755.63
  5. Step 5: Solve for x
    x = 152,283,607,755.63/421,632.32
  6. Step 6: Final answer
    x = 361,176.32

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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.