Home / 348,027.40-521,619.90-147,927.70

Finding the Fourth Proportional to 348,027.40, 521,619.90 and 147,927.70

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Solution

The fourth proportional to 348,027.40, 521,619.90 and 147,927.70 is: 221,712.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,027.40 : 521,619.90 = 147,927.70 : x
  2. Step 2: Convert to fraction form
    348,027.40/521,619.90 = 147,927.70/x
  3. Step 3: Cross multiply
    348,027.40x = 521,619.90 × 147,927.70
  4. Step 4: Simplify right side
    348,027.40x = 77,162,032,081.23
  5. Step 5: Solve for x
    x = 77,162,032,081.23/348,027.40
  6. Step 6: Final answer
    x = 221,712.52

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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.