Home / 293,018.13-439,663.93-103,621.93

Finding the Fourth Proportional to 293,018.13, 439,663.93 and 103,621.93

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Solution

The fourth proportional to 293,018.13, 439,663.93 and 103,621.93 is: 155,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,018.13 : 439,663.93 = 103,621.93 : x
  2. Step 2: Convert to fraction form
    293,018.13/439,663.93 = 103,621.93/x
  3. Step 3: Cross multiply
    293,018.13x = 439,663.93 × 103,621.93
  4. Step 4: Simplify right side
    293,018.13x = 45,558,824,977.98
  5. Step 5: Solve for x
    x = 45,558,824,977.98/293,018.13
  6. Step 6: Final answer
    x = 155,481.25

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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.