Finding the Fourth Proportional to 291,223.96, 401,822.58 and 163,853.08
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Solution
The fourth proportional to 291,223.96, 401,822.58 and 163,853.08 is: 226,079.84
Step by Step Solution
- Step 1: Write the proportion equation
291,223.96 : 401,822.58 = 163,853.08 : x - Step 2: Convert to fraction form
291,223.96/401,822.58 = 163,853.08/x - Step 3: Cross multiply
291,223.96x = 401,822.58 × 163,853.08 - Step 4: Simplify right side
291,223.96x = 65,839,867,346.55 - Step 5: Solve for x
x = 65,839,867,346.55/291,223.96 - Step 6: Final answer
x = 226,079.84
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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.