Home / 310,829.27-466,300.26-128,460.36

Finding the Fourth Proportional to 310,829.27, 466,300.26 and 128,460.36

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Solution

The fourth proportional to 310,829.27, 466,300.26 and 128,460.36 is: 192,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,829.27 : 466,300.26 = 128,460.36 : x
  2. Step 2: Convert to fraction form
    310,829.27/466,300.26 = 128,460.36/x
  3. Step 3: Cross multiply
    310,829.27x = 466,300.26 × 128,460.36
  4. Step 4: Simplify right side
    310,829.27x = 59,901,101,016.32
  5. Step 5: Solve for x
    x = 59,901,101,016.32/310,829.27
  6. Step 6: Final answer
    x = 192,713.84

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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.