Finding the Fourth Proportional to 827,169.86, 1,240,795.49 and 228,117.75
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Solution
The fourth proportional to 827,169.86, 1,240,795.49 and 228,117.75 is: 342,187.85
Step by Step Solution
- Step 1: Write the proportion equation
827,169.86 : 1,240,795.49 = 228,117.75 : x - Step 2: Convert to fraction form
827,169.86/1,240,795.49 = 228,117.75/x - Step 3: Cross multiply
827,169.86x = 1,240,795.49 × 228,117.75 - Step 4: Simplify right side
827,169.86x = 283,047,474,248.36 - Step 5: Solve for x
x = 283,047,474,248.36/827,169.86 - Step 6: Final answer
x = 342,187.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.