Finding the Fourth Proportional to 197,248.34, 272,136.21 and 112,305.26
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Solution
The fourth proportional to 197,248.34, 272,136.21 and 112,305.26 is: 154,943.39
Step by Step Solution
- Step 1: Write the proportion equation
197,248.34 : 272,136.21 = 112,305.26 : x - Step 2: Convert to fraction form
197,248.34/272,136.21 = 112,305.26/x - Step 3: Cross multiply
197,248.34x = 272,136.21 × 112,305.26 - Step 4: Simplify right side
197,248.34x = 30,562,326,458.78 - Step 5: Solve for x
x = 30,562,326,458.78/197,248.34 - Step 6: Final answer
x = 154,943.39
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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.