Finding the Fourth Proportional to 197,673.84, 272,778.84 and 117,109.08
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Solution
The fourth proportional to 197,673.84, 272,778.84 and 117,109.08 is: 161,603.98
Step by Step Solution
- Step 1: Write the proportion equation
197,673.84 : 272,778.84 = 117,109.08 : x - Step 2: Convert to fraction form
197,673.84/272,778.84 = 117,109.08/x - Step 3: Cross multiply
197,673.84x = 272,778.84 × 117,109.08 - Step 4: Simplify right side
197,673.84x = 31,944,878,995.87 - Step 5: Solve for x
x = 31,944,878,995.87/197,673.84 - Step 6: Final answer
x = 161,603.98
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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.