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Finding the Fourth Proportional to 590,491.67, 885,878.07 and 191,132.42

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Solution

The fourth proportional to 590,491.67, 885,878.07 and 191,132.42 is: 286,744.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,491.67 : 885,878.07 = 191,132.42 : x
  2. Step 2: Convert to fraction form
    590,491.67/885,878.07 = 191,132.42/x
  3. Step 3: Cross multiply
    590,491.67x = 885,878.07 × 191,132.42
  4. Step 4: Simplify right side
    590,491.67x = 169,320,014,914.64
  5. Step 5: Solve for x
    x = 169,320,014,914.64/590,491.67
  6. Step 6: Final answer
    x = 286,744.12

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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.