Home / 432,435.06-648,434.82-144,144.63

Finding the Fourth Proportional to 432,435.06, 648,434.82 and 144,144.63

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Solution

The fourth proportional to 432,435.06, 648,434.82 and 144,144.63 is: 216,144.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,435.06 : 648,434.82 = 144,144.63 : x
  2. Step 2: Convert to fraction form
    432,435.06/648,434.82 = 144,144.63/x
  3. Step 3: Cross multiply
    432,435.06x = 648,434.82 × 144,144.63
  4. Step 4: Simplify right side
    432,435.06x = 93,468,397,208.02
  5. Step 5: Solve for x
    x = 93,468,397,208.02/432,435.06
  6. Step 6: Final answer
    x = 216,144.36

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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.