Home / 432,513.48-648,699.78-151,965.24

Finding the Fourth Proportional to 432,513.48, 648,699.78 and 151,965.24

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Solution

The fourth proportional to 432,513.48, 648,699.78 and 151,965.24 is: 227,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,513.48 : 648,699.78 = 151,965.24 : x
  2. Step 2: Convert to fraction form
    432,513.48/648,699.78 = 151,965.24/x
  3. Step 3: Cross multiply
    432,513.48x = 648,699.78 × 151,965.24
  4. Step 4: Simplify right side
    432,513.48x = 98,579,817,755.65
  5. Step 5: Solve for x
    x = 98,579,817,755.65/432,513.48
  6. Step 6: Final answer
    x = 227,923.11

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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.