Finding the Fourth Proportional to 347,652.05, 521,478.08 and 137,181.65
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Solution
The fourth proportional to 347,652.05, 521,478.08 and 137,181.65 is: 205,772.48
Step by Step Solution
- Step 1: Write the proportion equation
347,652.05 : 521,478.08 = 137,181.65 : x - Step 2: Convert to fraction form
347,652.05/521,478.08 = 137,181.65/x - Step 3: Cross multiply
347,652.05x = 521,478.08 × 137,181.65 - Step 4: Simplify right side
347,652.05x = 71,537,222,767.32 - Step 5: Solve for x
x = 71,537,222,767.32/347,652.05 - Step 6: Final answer
x = 205,772.48
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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.