Home / 348,012-521,955.36-158,427.12

Finding the Fourth Proportional to 348,012, 521,955.36 and 158,427.12

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Solution

The fourth proportional to 348,012, 521,955.36 and 158,427.12 is: 237,612.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,012 : 521,955.36 = 158,427.12 : x
  2. Step 2: Convert to fraction form
    348,012/521,955.36 = 158,427.12/x
  3. Step 3: Cross multiply
    348,012x = 521,955.36 × 158,427.12
  4. Step 4: Simplify right side
    348,012x = 82,691,884,453.36
  5. Step 5: Solve for x
    x = 82,691,884,453.36/348,012
  6. Step 6: Final answer
    x = 237,612.16

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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.