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Finding the Fourth Proportional to 490,377.03, 735,564.25 and 130,547.89

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Solution

The fourth proportional to 490,377.03, 735,564.25 and 130,547.89 is: 195,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,377.03 : 735,564.25 = 130,547.89 : x
  2. Step 2: Convert to fraction form
    490,377.03/735,564.25 = 130,547.89/x
  3. Step 3: Cross multiply
    490,377.03x = 735,564.25 × 130,547.89
  4. Step 4: Simplify right side
    490,377.03x = 96,026,360,796.93
  5. Step 5: Solve for x
    x = 96,026,360,796.93/490,377.03
  6. Step 6: Final answer
    x = 195,821.49

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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.