Home / 313,678.28-470,252.93-136,051.52

Finding the Fourth Proportional to 313,678.28, 470,252.93 and 136,051.52

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Solution

The fourth proportional to 313,678.28, 470,252.93 and 136,051.52 is: 203,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,678.28 : 470,252.93 = 136,051.52 : x
  2. Step 2: Convert to fraction form
    313,678.28/470,252.93 = 136,051.52/x
  3. Step 3: Cross multiply
    313,678.28x = 470,252.93 × 136,051.52
  4. Step 4: Simplify right side
    313,678.28x = 63,978,622,879.43
  5. Step 5: Solve for x
    x = 63,978,622,879.43/313,678.28
  6. Step 6: Final answer
    x = 203,962.55

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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.