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Finding the Fourth Proportional to 590,482.05, 885,863.68 and 191,122.89

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Solution

The fourth proportional to 590,482.05, 885,863.68 and 191,122.89 is: 286,729.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,482.05 : 885,863.68 = 191,122.89 : x
  2. Step 2: Convert to fraction form
    590,482.05/885,863.68 = 191,122.89/x
  3. Step 3: Cross multiply
    590,482.05x = 885,863.68 × 191,122.89
  4. Step 4: Simplify right side
    590,482.05x = 169,308,826,189.83
  5. Step 5: Solve for x
    x = 169,308,826,189.83/590,482.05
  6. Step 6: Final answer
    x = 286,729.84

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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.