Finding the Fourth Proportional to 399,051.27, 550,690.52 and 229,284.99
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Solution
The fourth proportional to 399,051.27, 550,690.52 and 229,284.99 is: 316,413.15
Step by Step Solution
- Step 1: Write the proportion equation
399,051.27 : 550,690.52 = 229,284.99 : x - Step 2: Convert to fraction form
399,051.27/550,690.52 = 229,284.99/x - Step 3: Cross multiply
399,051.27x = 550,690.52 × 229,284.99 - Step 4: Simplify right side
399,051.27x = 126,265,069,224.87 - Step 5: Solve for x
x = 126,265,069,224.87/399,051.27 - Step 6: Final answer
x = 316,413.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.