Finding the Fourth Proportional to 166,904.26, 249,142.29 and 154,569.58
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Solution
The fourth proportional to 166,904.26, 249,142.29 and 154,569.58 is: 230,729.99
Step by Step Solution
- Step 1: Write the proportion equation
166,904.26 : 249,142.29 = 154,569.58 : x - Step 2: Convert to fraction form
166,904.26/249,142.29 = 154,569.58/x - Step 3: Cross multiply
166,904.26x = 249,142.29 × 154,569.58 - Step 4: Simplify right side
166,904.26x = 38,509,817,923.05 - Step 5: Solve for x
x = 38,509,817,923.05/166,904.26 - Step 6: Final answer
x = 230,729.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.