Home / 296,744.74-445,117.67-72,105.36

Finding the Fourth Proportional to 296,744.74, 445,117.67 and 72,105.36

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Solution

The fourth proportional to 296,744.74, 445,117.67 and 72,105.36 is: 108,158.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,744.74 : 445,117.67 = 72,105.36 : x
  2. Step 2: Convert to fraction form
    296,744.74/445,117.67 = 72,105.36/x
  3. Step 3: Cross multiply
    296,744.74x = 445,117.67 × 72,105.36
  4. Step 4: Simplify right side
    296,744.74x = 32,095,369,477.18
  5. Step 5: Solve for x
    x = 32,095,369,477.18/296,744.74
  6. Step 6: Final answer
    x = 108,158.18

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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.