Home / 358,437.08-494,639.25-197,288.66

Finding the Fourth Proportional to 358,437.08, 494,639.25 and 197,288.66

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Solution

The fourth proportional to 358,437.08, 494,639.25 and 197,288.66 is: 272,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,437.08 : 494,639.25 = 197,288.66 : x
  2. Step 2: Convert to fraction form
    358,437.08/494,639.25 = 197,288.66/x
  3. Step 3: Cross multiply
    358,437.08x = 494,639.25 × 197,288.66
  4. Step 4: Simplify right side
    358,437.08x = 97,586,714,815.91
  5. Step 5: Solve for x
    x = 97,586,714,815.91/358,437.08
  6. Step 6: Final answer
    x = 272,256.19

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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.