Finding the Fourth Proportional to 330,115.24, 455,569.96 and 186,872.32
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Solution
The fourth proportional to 330,115.24, 455,569.96 and 186,872.32 is: 257,889.99
Step by Step Solution
- Step 1: Write the proportion equation
330,115.24 : 455,569.96 = 186,872.32 : x - Step 2: Convert to fraction form
330,115.24/455,569.96 = 186,872.32/x - Step 3: Cross multiply
330,115.24x = 455,569.96 × 186,872.32 - Step 4: Simplify right side
330,115.24x = 85,133,415,347.51 - Step 5: Solve for x
x = 85,133,415,347.51/330,115.24 - Step 6: Final answer
x = 257,889.99
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1.5x scale
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.