Home / 371,939.24-557,698.86-340,200.40

Finding the Fourth Proportional to 371,939.24, 557,698.86 and 340,200.40

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Solution

The fourth proportional to 371,939.24, 557,698.86 and 340,200.40 is: 510,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,939.24 : 557,698.86 = 340,200.40 : x
  2. Step 2: Convert to fraction form
    371,939.24/557,698.86 = 340,200.40/x
  3. Step 3: Cross multiply
    371,939.24x = 557,698.86 × 340,200.40
  4. Step 4: Simplify right side
    371,939.24x = 189,729,373,857.30
  5. Step 5: Solve for x
    x = 189,729,373,857.30/371,939.24
  6. Step 6: Final answer
    x = 510,108.52

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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.