Finding the Fourth Proportional to 147,307.68, 203,277.36 and 83,637.12
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Solution
The fourth proportional to 147,307.68, 203,277.36 and 83,637.12 is: 115,415.12
Step by Step Solution
- Step 1: Write the proportion equation
147,307.68 : 203,277.36 = 83,637.12 : x - Step 2: Convert to fraction form
147,307.68/203,277.36 = 83,637.12/x - Step 3: Cross multiply
147,307.68x = 203,277.36 × 83,637.12 - Step 4: Simplify right side
147,307.68x = 17,001,532,951.60 - Step 5: Solve for x
x = 17,001,532,951.60/147,307.68 - Step 6: Final answer
x = 115,415.12
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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.