Finding the Fourth Proportional to 424,444.11, 585,816.09 and 243,277.50
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Solution
The fourth proportional to 424,444.11, 585,816.09 and 243,277.50 is: 335,770.65
Step by Step Solution
- Step 1: Write the proportion equation
424,444.11 : 585,816.09 = 243,277.50 : x - Step 2: Convert to fraction form
424,444.11/585,816.09 = 243,277.50/x - Step 3: Cross multiply
424,444.11x = 585,816.09 × 243,277.50 - Step 4: Simplify right side
424,444.11x = 142,515,873,834.98 - Step 5: Solve for x
x = 142,515,873,834.98/424,444.11 - Step 6: Final answer
x = 335,770.65
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1.5x scale
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.