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Finding the Fourth Proportional to 295,803.40, 443,705.10 and 96,130.30

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Solution

The fourth proportional to 295,803.40, 443,705.10 and 96,130.30 is: 144,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,803.40 : 443,705.10 = 96,130.30 : x
  2. Step 2: Convert to fraction form
    295,803.40/443,705.10 = 96,130.30/x
  3. Step 3: Cross multiply
    295,803.40x = 443,705.10 × 96,130.30
  4. Step 4: Simplify right side
    295,803.40x = 42,653,504,374.53
  5. Step 5: Solve for x
    x = 42,653,504,374.53/295,803.40
  6. Step 6: Final answer
    x = 144,195.45

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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.