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Finding the Fourth Proportional to 238,237.34, 328,772.83 and 130,807.80

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Solution

The fourth proportional to 238,237.34, 328,772.83 and 130,807.80 is: 180,517.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,237.34 : 328,772.83 = 130,807.80 : x
  2. Step 2: Convert to fraction form
    238,237.34/328,772.83 = 130,807.80/x
  3. Step 3: Cross multiply
    238,237.34x = 328,772.83 × 130,807.80
  4. Step 4: Simplify right side
    238,237.34x = 43,006,049,443.12
  5. Step 5: Solve for x
    x = 43,006,049,443.12/238,237.34
  6. Step 6: Final answer
    x = 180,517.67

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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.