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Finding the Fourth Proportional to 334,028.40, 501,042.60 and 97,378.80

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Solution

The fourth proportional to 334,028.40, 501,042.60 and 97,378.80 is: 146,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,028.40 : 501,042.60 = 97,378.80 : x
  2. Step 2: Convert to fraction form
    334,028.40/501,042.60 = 97,378.80/x
  3. Step 3: Cross multiply
    334,028.40x = 501,042.60 × 97,378.80
  4. Step 4: Simplify right side
    334,028.40x = 48,790,927,136.88
  5. Step 5: Solve for x
    x = 48,790,927,136.88/334,028.40
  6. Step 6: Final answer
    x = 146,068.20

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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.