Finding the Fourth Proportional to 190,900.02, 286,354.12 and 57,780.06
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Solution
The fourth proportional to 190,900.02, 286,354.12 and 57,780.06 is: 86,671.33
Step by Step Solution
- Step 1: Write the proportion equation
190,900.02 : 286,354.12 = 57,780.06 : x - Step 2: Convert to fraction form
190,900.02/286,354.12 = 57,780.06/x - Step 3: Cross multiply
190,900.02x = 286,354.12 × 57,780.06 - Step 4: Simplify right side
190,900.02x = 16,545,558,234.85 - Step 5: Solve for x
x = 16,545,558,234.85/190,900.02 - Step 6: Final answer
x = 86,671.33
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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.