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Finding the Fourth Proportional to 229,538.20, 344,307.30 and 203,950.30

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Solution

The fourth proportional to 229,538.20, 344,307.30 and 203,950.30 is: 305,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,538.20 : 344,307.30 = 203,950.30 : x
  2. Step 2: Convert to fraction form
    229,538.20/344,307.30 = 203,950.30/x
  3. Step 3: Cross multiply
    229,538.20x = 344,307.30 × 203,950.30
  4. Step 4: Simplify right side
    229,538.20x = 70,221,577,127.19
  5. Step 5: Solve for x
    x = 70,221,577,127.19/229,538.20
  6. Step 6: Final answer
    x = 305,925.45

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1.5x scale

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.