Home / 297,235.12-445,859.51-72,597.40

Finding the Fourth Proportional to 297,235.12, 445,859.51 and 72,597.40

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Solution

The fourth proportional to 297,235.12, 445,859.51 and 72,597.40 is: 108,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,235.12 : 445,859.51 = 72,597.40 : x
  2. Step 2: Convert to fraction form
    297,235.12/445,859.51 = 72,597.40/x
  3. Step 3: Cross multiply
    297,235.12x = 445,859.51 × 72,597.40
  4. Step 4: Simplify right side
    297,235.12x = 32,368,241,191.27
  5. Step 5: Solve for x
    x = 32,368,241,191.27/297,235.12
  6. Step 6: Final answer
    x = 108,897.77

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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.