Home / 239,496.98-330,513.82-130,607.28

Finding the Fourth Proportional to 239,496.98, 330,513.82 and 130,607.28

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Solution

The fourth proportional to 239,496.98, 330,513.82 and 130,607.28 is: 180,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,496.98 : 330,513.82 = 130,607.28 : x
  2. Step 2: Convert to fraction form
    239,496.98/330,513.82 = 130,607.28/x
  3. Step 3: Cross multiply
    239,496.98x = 330,513.82 × 130,607.28
  4. Step 4: Simplify right side
    239,496.98x = 43,167,508,727.00
  5. Step 5: Solve for x
    x = 43,167,508,727.00/239,496.98
  6. Step 6: Final answer
    x = 180,242.39

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1.5x scale

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.