Home / 426,321.25-588,302.64-242,542.51

Finding the Fourth Proportional to 426,321.25, 588,302.64 and 242,542.51

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Solution

The fourth proportional to 426,321.25, 588,302.64 and 242,542.51 is: 334,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,321.25 : 588,302.64 = 242,542.51 : x
  2. Step 2: Convert to fraction form
    426,321.25/588,302.64 = 242,542.51/x
  3. Step 3: Cross multiply
    426,321.25x = 588,302.64 × 242,542.51
  4. Step 4: Simplify right side
    426,321.25x = 142,688,398,945.23
  5. Step 5: Solve for x
    x = 142,688,398,945.23/426,321.25
  6. Step 6: Final answer
    x = 334,696.90

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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.