Finding the Fourth Proportional to 245,534.93, 338,884.76 and 153,696.93
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Solution
The fourth proportional to 245,534.93, 338,884.76 and 153,696.93 is: 212,130.90
Step by Step Solution
- Step 1: Write the proportion equation
245,534.93 : 338,884.76 = 153,696.93 : x - Step 2: Convert to fraction form
245,534.93/338,884.76 = 153,696.93/x - Step 3: Cross multiply
245,534.93x = 338,884.76 × 153,696.93 - Step 4: Simplify right side
245,534.93x = 52,085,546,349.21 - Step 5: Solve for x
x = 52,085,546,349.21/245,534.93 - Step 6: Final answer
x = 212,130.90
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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.