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Finding the Fourth Proportional to 434,554.88, 651,072.23 and 301,519.67

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Solution

The fourth proportional to 434,554.88, 651,072.23 and 301,519.67 is: 451,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,554.88 : 651,072.23 = 301,519.67 : x
  2. Step 2: Convert to fraction form
    434,554.88/651,072.23 = 301,519.67/x
  3. Step 3: Cross multiply
    434,554.88x = 651,072.23 × 301,519.67
  4. Step 4: Simplify right side
    434,554.88x = 196,311,080,303.50
  5. Step 5: Solve for x
    x = 196,311,080,303.50/434,554.88
  6. Step 6: Final answer
    x = 451,752.11

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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.