Finding the Fourth Proportional to 384,701.70, 577,052.55 and 218,813.70
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Solution
The fourth proportional to 384,701.70, 577,052.55 and 218,813.70 is: 328,220.55
Step by Step Solution
- Step 1: Write the proportion equation
384,701.70 : 577,052.55 = 218,813.70 : x - Step 2: Convert to fraction form
384,701.70/577,052.55 = 218,813.70/x - Step 3: Cross multiply
384,701.70x = 577,052.55 × 218,813.70 - Step 4: Simplify right side
384,701.70x = 126,267,003,559.94 - Step 5: Solve for x
x = 126,267,003,559.94/384,701.70 - Step 6: Final answer
x = 328,220.55
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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.