Home / 407,426.28-562,239.81-226,127.58

Finding the Fourth Proportional to 407,426.28, 562,239.81 and 226,127.58

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Solution

The fourth proportional to 407,426.28, 562,239.81 and 226,127.58 is: 312,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,426.28 : 562,239.81 = 226,127.58 : x
  2. Step 2: Convert to fraction form
    407,426.28/562,239.81 = 226,127.58/x
  3. Step 3: Cross multiply
    407,426.28x = 562,239.81 × 226,127.58
  4. Step 4: Simplify right side
    407,426.28x = 127,137,927,614.96
  5. Step 5: Solve for x
    x = 127,137,927,614.96/407,426.28
  6. Step 6: Final answer
    x = 312,051.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.