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Finding the Fourth Proportional to 201,237.20, 301,510.20 and 106,326.80

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Solution

The fourth proportional to 201,237.20, 301,510.20 and 106,326.80 is: 159,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,237.20 : 301,510.20 = 106,326.80 : x
  2. Step 2: Convert to fraction form
    201,237.20/301,510.20 = 106,326.80/x
  3. Step 3: Cross multiply
    201,237.20x = 301,510.20 × 106,326.80
  4. Step 4: Simplify right side
    201,237.20x = 32,058,614,733.36
  5. Step 5: Solve for x
    x = 32,058,614,733.36/201,237.20
  6. Step 6: Final answer
    x = 159,307.60

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1.5x scale

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.