Finding the Fourth Proportional to 197,553.68, 272,606.86 and 115,898.39
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Solution
The fourth proportional to 197,553.68, 272,606.86 and 115,898.39 is: 159,929.68
Step by Step Solution
- Step 1: Write the proportion equation
197,553.68 : 272,606.86 = 115,898.39 : x - Step 2: Convert to fraction form
197,553.68/272,606.86 = 115,898.39/x - Step 3: Cross multiply
197,553.68x = 272,606.86 × 115,898.39 - Step 4: Simplify right side
197,553.68x = 31,594,696,176.96 - Step 5: Solve for x
x = 31,594,696,176.96/197,553.68 - Step 6: Final answer
x = 159,929.68
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1.5x scale
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.