Home / 310,656.08-465,284.04-217,577.36

Finding the Fourth Proportional to 310,656.08, 465,284.04 and 217,577.36

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Solution

The fourth proportional to 310,656.08, 465,284.04 and 217,577.36 is: 325,875.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,656.08 : 465,284.04 = 217,577.36 : x
  2. Step 2: Convert to fraction form
    310,656.08/465,284.04 = 217,577.36/x
  3. Step 3: Cross multiply
    310,656.08x = 465,284.04 × 217,577.36
  4. Step 4: Simplify right side
    310,656.08x = 101,235,273,073.33
  5. Step 5: Solve for x
    x = 101,235,273,073.33/310,656.08
  6. Step 6: Final answer
    x = 325,875.72

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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.