Home / 401,088.70-553,754.07-258,097.24

Finding the Fourth Proportional to 401,088.70, 553,754.07 and 258,097.24

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Solution

The fourth proportional to 401,088.70, 553,754.07 and 258,097.24 is: 356,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,088.70 : 553,754.07 = 258,097.24 : x
  2. Step 2: Convert to fraction form
    401,088.70/553,754.07 = 258,097.24/x
  3. Step 3: Cross multiply
    401,088.70x = 553,754.07 × 258,097.24
  4. Step 4: Simplify right side
    401,088.70x = 142,922,397,105.77
  5. Step 5: Solve for x
    x = 142,922,397,105.77/401,088.70
  6. Step 6: Final answer
    x = 356,336.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.