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Finding the Fourth Proportional to 297,189.18, 445,768.08 and 97,483.26

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Solution

The fourth proportional to 297,189.18, 445,768.08 and 97,483.26 is: 146,219.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,189.18 : 445,768.08 = 97,483.26 : x
  2. Step 2: Convert to fraction form
    297,189.18/445,768.08 = 97,483.26/x
  3. Step 3: Cross multiply
    297,189.18x = 445,768.08 × 97,483.26
  4. Step 4: Simplify right side
    297,189.18x = 43,454,925,642.34
  5. Step 5: Solve for x
    x = 43,454,925,642.34/297,189.18
  6. Step 6: Final answer
    x = 146,219.74

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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.