Home / 401,089.20-553,754.76-258,097.74

Finding the Fourth Proportional to 401,089.20, 553,754.76 and 258,097.74

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Solution

The fourth proportional to 401,089.20, 553,754.76 and 258,097.74 is: 356,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,089.20 : 553,754.76 = 258,097.74 : x
  2. Step 2: Convert to fraction form
    401,089.20/553,754.76 = 258,097.74/x
  3. Step 3: Cross multiply
    401,089.20x = 553,754.76 × 258,097.74
  4. Step 4: Simplify right side
    401,089.20x = 142,922,852,070.24
  5. Step 5: Solve for x
    x = 142,922,852,070.24/401,089.20
  6. Step 6: Final answer
    x = 356,336.83

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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.