Home / 238,038.54-328,496.22-130,606.62

Finding the Fourth Proportional to 238,038.54, 328,496.22 and 130,606.62

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Solution

The fourth proportional to 238,038.54, 328,496.22 and 130,606.62 is: 180,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,038.54 : 328,496.22 = 130,606.62 : x
  2. Step 2: Convert to fraction form
    238,038.54/328,496.22 = 130,606.62/x
  3. Step 3: Cross multiply
    238,038.54x = 328,496.22 × 130,606.62
  4. Step 4: Simplify right side
    238,038.54x = 42,903,780,976.98
  5. Step 5: Solve for x
    x = 42,903,780,976.98/238,038.54
  6. Step 6: Final answer
    x = 180,238.80

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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.