Finding the Fourth Proportional to 553,218.20, 829,827.30 and 366,229.70
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Solution
The fourth proportional to 553,218.20, 829,827.30 and 366,229.70 is: 549,344.55
Step by Step Solution
- Step 1: Write the proportion equation
553,218.20 : 829,827.30 = 366,229.70 : x - Step 2: Convert to fraction form
553,218.20/829,827.30 = 366,229.70/x - Step 3: Cross multiply
553,218.20x = 829,827.30 × 366,229.70 - Step 4: Simplify right side
553,218.20x = 303,907,403,130.81 - Step 5: Solve for x
x = 303,907,403,130.81/553,218.20 - Step 6: Final answer
x = 549,344.55
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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.