Finding the Fourth Proportional to 257,724.25, 355,814.99 and 168,455.77
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Solution
The fourth proportional to 257,724.25, 355,814.99 and 168,455.77 is: 232,570.62
Step by Step Solution
- Step 1: Write the proportion equation
257,724.25 : 355,814.99 = 168,455.77 : x - Step 2: Convert to fraction form
257,724.25/355,814.99 = 168,455.77/x - Step 3: Cross multiply
257,724.25x = 355,814.99 × 168,455.77 - Step 4: Simplify right side
257,724.25x = 59,939,088,117.99 - Step 5: Solve for x
x = 59,939,088,117.99/257,724.25 - Step 6: Final answer
x = 232,570.62
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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.