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Finding the Fourth Proportional to 202,392.60, 303,588.90 and 97,416.60

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Solution

The fourth proportional to 202,392.60, 303,588.90 and 97,416.60 is: 146,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,392.60 : 303,588.90 = 97,416.60 : x
  2. Step 2: Convert to fraction form
    202,392.60/303,588.90 = 97,416.60/x
  3. Step 3: Cross multiply
    202,392.60x = 303,588.90 × 97,416.60
  4. Step 4: Simplify right side
    202,392.60x = 29,574,598,435.74
  5. Step 5: Solve for x
    x = 29,574,598,435.74/202,392.60
  6. Step 6: Final answer
    x = 146,124.90

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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.