Home / 426,208.92-639,598.74-176,891.16

Finding the Fourth Proportional to 426,208.92, 639,598.74 and 176,891.16

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Solution

The fourth proportional to 426,208.92, 639,598.74 and 176,891.16 is: 265,455.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,208.92 : 639,598.74 = 176,891.16 : x
  2. Step 2: Convert to fraction form
    426,208.92/639,598.74 = 176,891.16/x
  3. Step 3: Cross multiply
    426,208.92x = 639,598.74 × 176,891.16
  4. Step 4: Simplify right side
    426,208.92x = 113,139,363,053.14
  5. Step 5: Solve for x
    x = 113,139,363,053.14/426,208.92
  6. Step 6: Final answer
    x = 265,455.17

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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.