Finding the Fourth Proportional to 197,454.82, 272,486.86 and 106,810.68
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Solution
The fourth proportional to 197,454.82, 272,486.86 and 106,810.68 is: 147,398.31
Step by Step Solution
- Step 1: Write the proportion equation
197,454.82 : 272,486.86 = 106,810.68 : x - Step 2: Convert to fraction form
197,454.82/272,486.86 = 106,810.68/x - Step 3: Cross multiply
197,454.82x = 272,486.86 × 106,810.68 - Step 4: Simplify right side
197,454.82x = 29,104,506,807.66 - Step 5: Solve for x
x = 29,104,506,807.66/197,454.82 - Step 6: Final answer
x = 147,398.31
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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.