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Finding the Fourth Proportional to 201,353.60, 302,073.60 and 61,126.40

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Solution

The fourth proportional to 201,353.60, 302,073.60 and 61,126.40 is: 91,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,353.60 : 302,073.60 = 61,126.40 : x
  2. Step 2: Convert to fraction form
    201,353.60/302,073.60 = 61,126.40/x
  3. Step 3: Cross multiply
    201,353.60x = 302,073.60 × 61,126.40
  4. Step 4: Simplify right side
    201,353.60x = 18,464,671,703.04
  5. Step 5: Solve for x
    x = 18,464,671,703.04/201,353.60
  6. Step 6: Final answer
    x = 91,702.71

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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.