Home / 315,727.98-473,261.18-147,109.27

Finding the Fourth Proportional to 315,727.98, 473,261.18 and 147,109.27

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Solution

The fourth proportional to 315,727.98, 473,261.18 and 147,109.27 is: 220,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,727.98 : 473,261.18 = 147,109.27 : x
  2. Step 2: Convert to fraction form
    315,727.98/473,261.18 = 147,109.27/x
  3. Step 3: Cross multiply
    315,727.98x = 473,261.18 × 147,109.27
  4. Step 4: Simplify right side
    315,727.98x = 69,621,106,709.14
  5. Step 5: Solve for x
    x = 69,621,106,709.14/315,727.98
  6. Step 6: Final answer
    x = 220,509.78

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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.