Home / 358,821.10-538,232.40-336,899.13

Finding the Fourth Proportional to 358,821.10, 538,232.40 and 336,899.13

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Solution

The fourth proportional to 358,821.10, 538,232.40 and 336,899.13 is: 505,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,821.10 : 538,232.40 = 336,899.13 : x
  2. Step 2: Convert to fraction form
    358,821.10/538,232.40 = 336,899.13/x
  3. Step 3: Cross multiply
    358,821.10x = 538,232.40 × 336,899.13
  4. Step 4: Simplify right side
    358,821.10x = 181,330,025,279.44
  5. Step 5: Solve for x
    x = 181,330,025,279.44/358,821.10
  6. Step 6: Final answer
    x = 505,349.39

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1.5x scale

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.