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Finding the Fourth Proportional to 333,989.40, 501,003.30 and 97,368.60

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Solution

The fourth proportional to 333,989.40, 501,003.30 and 97,368.60 is: 146,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,989.40 : 501,003.30 = 97,368.60 : x
  2. Step 2: Convert to fraction form
    333,989.40/501,003.30 = 97,368.60/x
  3. Step 3: Cross multiply
    333,989.40x = 501,003.30 × 97,368.60
  4. Step 4: Simplify right side
    333,989.40x = 48,781,989,916.38
  5. Step 5: Solve for x
    x = 48,781,989,916.38/333,989.40
  6. Step 6: Final answer
    x = 146,058.50

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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.