Finding the Fourth Proportional to 253,679.23, 350,036.20 and 151,746.81
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Solution
The fourth proportional to 253,679.23, 350,036.20 and 151,746.81 is: 209,385.99
Step by Step Solution
- Step 1: Write the proportion equation
253,679.23 : 350,036.20 = 151,746.81 : x - Step 2: Convert to fraction form
253,679.23/350,036.20 = 151,746.81/x - Step 3: Cross multiply
253,679.23x = 350,036.20 × 151,746.81 - Step 4: Simplify right side
253,679.23x = 53,116,876,734.52 - Step 5: Solve for x
x = 53,116,876,734.52/253,679.23 - Step 6: Final answer
x = 209,385.99
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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.