Home / 313,690.11-470,534.22-89,050.74

Finding the Fourth Proportional to 313,690.11, 470,534.22 and 89,050.74

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Solution

The fourth proportional to 313,690.11, 470,534.22 and 89,050.74 is: 133,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,690.11 : 470,534.22 = 89,050.74 : x
  2. Step 2: Convert to fraction form
    313,690.11/470,534.22 = 89,050.74/x
  3. Step 3: Cross multiply
    313,690.11x = 470,534.22 × 89,050.74
  4. Step 4: Simplify right side
    313,690.11x = 41,901,420,486.32
  5. Step 5: Solve for x
    x = 41,901,420,486.32/313,690.11
  6. Step 6: Final answer
    x = 133,575.84

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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.