Home / 397,807.36-596,725.44-131,574.40

Finding the Fourth Proportional to 397,807.36, 596,725.44 and 131,574.40

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Solution

The fourth proportional to 397,807.36, 596,725.44 and 131,574.40 is: 197,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,807.36 : 596,725.44 = 131,574.40 : x
  2. Step 2: Convert to fraction form
    397,807.36/596,725.44 = 131,574.40/x
  3. Step 3: Cross multiply
    397,807.36x = 596,725.44 × 131,574.40
  4. Step 4: Simplify right side
    397,807.36x = 78,513,791,732.74
  5. Step 5: Solve for x
    x = 78,513,791,732.74/397,807.36
  6. Step 6: Final answer
    x = 197,366.36

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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.