Home / 317,146.51-437,682.45-209,528.02

Finding the Fourth Proportional to 317,146.51, 437,682.45 and 209,528.02

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Solution

The fourth proportional to 317,146.51, 437,682.45 and 209,528.02 is: 289,162.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,146.51 : 437,682.45 = 209,528.02 : x
  2. Step 2: Convert to fraction form
    317,146.51/437,682.45 = 209,528.02/x
  3. Step 3: Cross multiply
    317,146.51x = 437,682.45 × 209,528.02
  4. Step 4: Simplify right side
    317,146.51x = 91,706,737,137.25
  5. Step 5: Solve for x
    x = 91,706,737,137.25/317,146.51
  6. Step 6: Final answer
    x = 289,162.06

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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.