Home / 379,984.24-569,960.16-99,495.28

Finding the Fourth Proportional to 379,984.24, 569,960.16 and 99,495.28

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Solution

The fourth proportional to 379,984.24, 569,960.16 and 99,495.28 is: 149,238.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,984.24 : 569,960.16 = 99,495.28 : x
  2. Step 2: Convert to fraction form
    379,984.24/569,960.16 = 99,495.28/x
  3. Step 3: Cross multiply
    379,984.24x = 569,960.16 × 99,495.28
  4. Step 4: Simplify right side
    379,984.24x = 56,708,345,708.04
  5. Step 5: Solve for x
    x = 56,708,345,708.04/379,984.24
  6. Step 6: Final answer
    x = 149,238.68

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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.