Home / 358,239.10-494,369.93-197,090.69

Finding the Fourth Proportional to 358,239.10, 494,369.93 and 197,090.69

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Solution

The fourth proportional to 358,239.10, 494,369.93 and 197,090.69 is: 271,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,239.10 : 494,369.93 = 197,090.69 : x
  2. Step 2: Convert to fraction form
    358,239.10/494,369.93 = 197,090.69/x
  3. Step 3: Cross multiply
    358,239.10x = 494,369.93 × 197,090.69
  4. Step 4: Simplify right side
    358,239.10x = 97,435,707,161.65
  5. Step 5: Solve for x
    x = 97,435,707,161.65/358,239.10
  6. Step 6: Final answer
    x = 271,985.13

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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.