Finding the Fourth Proportional to 347,305.68, 520,958.01 and 228,115.08
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Solution
The fourth proportional to 347,305.68, 520,958.01 and 228,115.08 is: 342,172.29
Step by Step Solution
- Step 1: Write the proportion equation
347,305.68 : 520,958.01 = 228,115.08 : x - Step 2: Convert to fraction form
347,305.68/520,958.01 = 228,115.08/x - Step 3: Cross multiply
347,305.68x = 520,958.01 × 228,115.08 - Step 4: Simplify right side
347,305.68x = 118,838,378,127.79 - Step 5: Solve for x
x = 118,838,378,127.79/347,305.68 - Step 6: Final answer
x = 342,172.29
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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.