Home / 348,045.79-521,035.26-189,794.47

Finding the Fourth Proportional to 348,045.79, 521,035.26 and 189,794.47

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Solution

The fourth proportional to 348,045.79, 521,035.26 and 189,794.47 is: 284,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,045.79 : 521,035.26 = 189,794.47 : x
  2. Step 2: Convert to fraction form
    348,045.79/521,035.26 = 189,794.47/x
  3. Step 3: Cross multiply
    348,045.79x = 521,035.26 × 189,794.47
  4. Step 4: Simplify right side
    348,045.79x = 98,889,611,023.01
  5. Step 5: Solve for x
    x = 98,889,611,023.01/348,045.79
  6. Step 6: Final answer
    x = 284,128.16

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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.