Finding the Fourth Proportional to 166,370.13, 249,551.55 and 71,663.31
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Solution
The fourth proportional to 166,370.13, 249,551.55 and 71,663.31 is: 107,493.39
Step by Step Solution
- Step 1: Write the proportion equation
166,370.13 : 249,551.55 = 71,663.31 : x - Step 2: Convert to fraction form
166,370.13/249,551.55 = 71,663.31/x - Step 3: Cross multiply
166,370.13x = 249,551.55 × 71,663.31 - Step 4: Simplify right side
166,370.13x = 17,883,690,088.63 - Step 5: Solve for x
x = 17,883,690,088.63/166,370.13 - Step 6: Final answer
x = 107,493.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.