Finding the Fourth Proportional to 197,869.62, 296,312.08 and 138,426.96
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Solution
The fourth proportional to 197,869.62, 296,312.08 and 138,426.96 is: 207,296.00
Step by Step Solution
- Step 1: Write the proportion equation
197,869.62 : 296,312.08 = 138,426.96 : x - Step 2: Convert to fraction form
197,869.62/296,312.08 = 138,426.96/x - Step 3: Cross multiply
197,869.62x = 296,312.08 × 138,426.96 - Step 4: Simplify right side
197,869.62x = 41,017,580,445.68 - Step 5: Solve for x
x = 41,017,580,445.68/197,869.62 - Step 6: Final answer
x = 207,296.00
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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.