Finding the Fourth Proportional to 197,675.84, 272,781.60 and 117,111.08
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Solution
The fourth proportional to 197,675.84, 272,781.60 and 117,111.08 is: 161,606.74
Step by Step Solution
- Step 1: Write the proportion equation
197,675.84 : 272,781.60 = 117,111.08 : x - Step 2: Convert to fraction form
197,675.84/272,781.60 = 117,111.08/x - Step 3: Cross multiply
197,675.84x = 272,781.60 × 117,111.08 - Step 4: Simplify right side
197,675.84x = 31,945,747,780.13 - Step 5: Solve for x
x = 31,945,747,780.13/197,675.84 - Step 6: Final answer
x = 161,606.74
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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.