Finding the Fourth Proportional to 347,297.80, 520,946.70 and 207,329.80
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Solution
The fourth proportional to 347,297.80, 520,946.70 and 207,329.80 is: 310,994.70
Step by Step Solution
- Step 1: Write the proportion equation
347,297.80 : 520,946.70 = 207,329.80 : x - Step 2: Convert to fraction form
347,297.80/520,946.70 = 207,329.80/x - Step 3: Cross multiply
347,297.80x = 520,946.70 × 207,329.80 - Step 4: Simplify right side
347,297.80x = 108,007,775,121.66 - Step 5: Solve for x
x = 108,007,775,121.66/347,297.80 - Step 6: Final answer
x = 310,994.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.