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Finding the Fourth Proportional to 201,117.46, 301,803.35 and 112,429.18

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Solution

The fourth proportional to 201,117.46, 301,803.35 and 112,429.18 is: 168,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,117.46 : 301,803.35 = 112,429.18 : x
  2. Step 2: Convert to fraction form
    201,117.46/301,803.35 = 112,429.18/x
  3. Step 3: Cross multiply
    201,117.46x = 301,803.35 × 112,429.18
  4. Step 4: Simplify right side
    201,117.46x = 33,931,503,161.75
  5. Step 5: Solve for x
    x = 33,931,503,161.75/201,117.46
  6. Step 6: Final answer
    x = 168,714.86

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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.