Home / 217,047.06-326,070.90-208,079.22

Finding the Fourth Proportional to 217,047.06, 326,070.90 and 208,079.22

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Solution

The fourth proportional to 217,047.06, 326,070.90 and 208,079.22 is: 312,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,047.06 : 326,070.90 = 208,079.22 : x
  2. Step 2: Convert to fraction form
    217,047.06/326,070.90 = 208,079.22/x
  3. Step 3: Cross multiply
    217,047.06x = 326,070.90 × 208,079.22
  4. Step 4: Simplify right side
    217,047.06x = 67,848,578,536.70
  5. Step 5: Solve for x
    x = 67,848,578,536.70/217,047.06
  6. Step 6: Final answer
    x = 312,598.47

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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.