Finding the Fourth Proportional to 264,338.24, 364,787.01 and 143,479.62
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Solution
The fourth proportional to 264,338.24, 364,787.01 and 143,479.62 is: 198,002.01
Step by Step Solution
- Step 1: Write the proportion equation
264,338.24 : 364,787.01 = 143,479.62 : x - Step 2: Convert to fraction form
264,338.24/364,787.01 = 143,479.62/x - Step 3: Cross multiply
264,338.24x = 364,787.01 × 143,479.62 - Step 4: Simplify right side
264,338.24x = 52,339,501,575.74 - Step 5: Solve for x
x = 52,339,501,575.74/264,338.24 - Step 6: Final answer
x = 198,002.01
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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.