Home / 348,041.79-521,029.26-189,790.47

Finding the Fourth Proportional to 348,041.79, 521,029.26 and 189,790.47

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Solution

The fourth proportional to 348,041.79, 521,029.26 and 189,790.47 is: 284,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,041.79 : 521,029.26 = 189,790.47 : x
  2. Step 2: Convert to fraction form
    348,041.79/521,029.26 = 189,790.47/x
  3. Step 3: Cross multiply
    348,041.79x = 521,029.26 × 189,790.47
  4. Step 4: Simplify right side
    348,041.79x = 98,886,388,139.15
  5. Step 5: Solve for x
    x = 98,886,388,139.15/348,041.79
  6. Step 6: Final answer
    x = 284,122.17

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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.