Finding the Fourth Proportional to 248,760,175.40, 343,399,134.42 and 160,697,121.08
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Solution
The fourth proportional to 248,760,175.40, 343,399,134.42 and 160,697,121.08 is: 221,833,145.90
Step by Step Solution
- Step 1: Write the proportion equation
248,760,175.40 : 343,399,134.42 = 160,697,121.08 : x - Step 2: Convert to fraction form
248,760,175.40/343,399,134.42 = 160,697,121.08/x - Step 3: Cross multiply
248,760,175.40x = 343,399,134.42 × 160,697,121.08 - Step 4: Simplify right side
248,760,175.40x = 55,183,252,282,657,944 - Step 5: Solve for x
x = 55,183,252,282,657,944/248,760,175.40 - Step 6: Final answer
x = 221,833,145.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.