Finding the Fourth Proportional to 291,937.39, 402,873.66 and 164,613.01
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Solution
The fourth proportional to 291,937.39, 402,873.66 and 164,613.01 is: 227,165.99
Step by Step Solution
- Step 1: Write the proportion equation
291,937.39 : 402,873.66 = 164,613.01 : x - Step 2: Convert to fraction form
291,937.39/402,873.66 = 164,613.01/x - Step 3: Cross multiply
291,937.39x = 402,873.66 × 164,613.01 - Step 4: Simplify right side
291,937.39x = 66,318,245,822.32 - Step 5: Solve for x
x = 66,318,245,822.32/291,937.39 - Step 6: Final answer
x = 227,165.99
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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.