Finding the Fourth Proportional to 144,430.19, 199,309.93 and 79,897.75
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Solution
The fourth proportional to 144,430.19, 199,309.93 and 79,897.75 is: 110,256.83
Step by Step Solution
- Step 1: Write the proportion equation
144,430.19 : 199,309.93 = 79,897.75 : x - Step 2: Convert to fraction form
144,430.19/199,309.93 = 79,897.75/x - Step 3: Cross multiply
144,430.19x = 199,309.93 × 79,897.75 - Step 4: Simplify right side
144,430.19x = 15,924,414,959.66 - Step 5: Solve for x
x = 15,924,414,959.66/144,430.19 - Step 6: Final answer
x = 110,256.83
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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.