Finding the Fourth Proportional to 245,280,755.70, 367,921,133.55 and 190,861,197.30
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Solution
The fourth proportional to 245,280,755.70, 367,921,133.55 and 190,861,197.30 is: 286,291,795.95
Step by Step Solution
- Step 1: Write the proportion equation
245,280,755.70 : 367,921,133.55 = 190,861,197.30 : x - Step 2: Convert to fraction form
245,280,755.70/367,921,133.55 = 190,861,197.30/x - Step 3: Cross multiply
245,280,755.70x = 367,921,133.55 × 190,861,197.30 - Step 4: Simplify right side
245,280,755.70x = 70,221,868,061,326,208 - Step 5: Solve for x
x = 70,221,868,061,326,208/245,280,755.70 - Step 6: Final answer
x = 286,291,795.95
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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.