Home / 281,050.50-421,544.70-70,688.52

Finding the Fourth Proportional to 281,050.50, 421,544.70 and 70,688.52

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Solution

The fourth proportional to 281,050.50, 421,544.70 and 70,688.52 is: 106,024.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,050.50 : 421,544.70 = 70,688.52 : x
  2. Step 2: Convert to fraction form
    281,050.50/421,544.70 = 70,688.52/x
  3. Step 3: Cross multiply
    281,050.50x = 421,544.70 × 70,688.52
  4. Step 4: Simplify right side
    281,050.50x = 29,798,370,956.84
  5. Step 5: Solve for x
    x = 29,798,370,956.84/281,050.50
  6. Step 6: Final answer
    x = 106,024.97

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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.