Finding the Fourth Proportional to 196,374.78, 293,891.49 and 121,462.74
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Solution
The fourth proportional to 196,374.78, 293,891.49 and 121,462.74 is: 181,779.28
Step by Step Solution
- Step 1: Write the proportion equation
196,374.78 : 293,891.49 = 121,462.74 : x - Step 2: Convert to fraction form
196,374.78/293,891.49 = 121,462.74/x - Step 3: Cross multiply
196,374.78x = 293,891.49 × 121,462.74 - Step 4: Simplify right side
196,374.78x = 35,696,865,638.08 - Step 5: Solve for x
x = 35,696,865,638.08/196,374.78 - Step 6: Final answer
x = 181,779.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.