Finding the Fourth Proportional to 291,157.48, 401,793.06 and 163,823.08
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Solution
The fourth proportional to 291,157.48, 401,793.06 and 163,823.08 is: 226,073.45
Step by Step Solution
- Step 1: Write the proportion equation
291,157.48 : 401,793.06 = 163,823.08 : x - Step 2: Convert to fraction form
291,157.48/401,793.06 = 163,823.08/x - Step 3: Cross multiply
291,157.48x = 401,793.06 × 163,823.08 - Step 4: Simplify right side
291,157.48x = 65,822,976,611.82 - Step 5: Solve for x
x = 65,822,976,611.82/291,157.48 - Step 6: Final answer
x = 226,073.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.