Finding the Fourth Proportional to 197,417.05, 272,434.73 and 106,773.12
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Solution
The fourth proportional to 197,417.05, 272,434.73 and 106,773.12 is: 147,346.47
Step by Step Solution
- Step 1: Write the proportion equation
197,417.05 : 272,434.73 = 106,773.12 : x - Step 2: Convert to fraction form
197,417.05/272,434.73 = 106,773.12/x - Step 3: Cross multiply
197,417.05x = 272,434.73 × 106,773.12 - Step 4: Simplify right side
197,417.05x = 29,088,705,584.59 - Step 5: Solve for x
x = 29,088,705,584.59/197,417.05 - Step 6: Final answer
x = 147,346.47
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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.