Finding the Fourth Proportional to 146,646.79, 202,347.93 and 85,405.93
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Solution
The fourth proportional to 146,646.79, 202,347.93 and 85,405.93 is: 117,845.83
Step by Step Solution
- Step 1: Write the proportion equation
146,646.79 : 202,347.93 = 85,405.93 : x - Step 2: Convert to fraction form
146,646.79/202,347.93 = 85,405.93/x - Step 3: Cross multiply
146,646.79x = 202,347.93 × 85,405.93 - Step 4: Simplify right side
146,646.79x = 17,281,713,145.22 - Step 5: Solve for x
x = 17,281,713,145.22/146,646.79 - Step 6: Final answer
x = 117,845.83
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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.