Home / 310,533.26-428,507.62-179,688.30

Finding the Fourth Proportional to 310,533.26, 428,507.62 and 179,688.30

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Solution

The fourth proportional to 310,533.26, 428,507.62 and 179,688.30 is: 247,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,533.26 : 428,507.62 = 179,688.30 : x
  2. Step 2: Convert to fraction form
    310,533.26/428,507.62 = 179,688.30/x
  3. Step 3: Cross multiply
    310,533.26x = 428,507.62 × 179,688.30
  4. Step 4: Simplify right side
    310,533.26x = 76,997,805,774.85
  5. Step 5: Solve for x
    x = 76,997,805,774.85/310,533.26
  6. Step 6: Final answer
    x = 247,953.49

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1.5x scale

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.