Finding the Fourth Proportional to 355,452.10, 532,486.95 and 197,397.70
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Solution
The fourth proportional to 355,452.10, 532,486.95 and 197,397.70 is: 295,712.70
Step by Step Solution
- Step 1: Write the proportion equation
355,452.10 : 532,486.95 = 197,397.70 : x - Step 2: Convert to fraction form
355,452.10/532,486.95 = 197,397.70/x - Step 3: Cross multiply
355,452.10x = 532,486.95 × 197,397.70 - Step 4: Simplify right side
355,452.10x = 105,111,699,210.02 - Step 5: Solve for x
x = 105,111,699,210.02/355,452.10 - Step 6: Final answer
x = 295,712.70
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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.