Finding the Fourth Proportional to 214,807.65, 296,367.84 and 124,130.58
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Solution
The fourth proportional to 214,807.65, 296,367.84 and 124,130.58 is: 171,261.65
Step by Step Solution
- Step 1: Write the proportion equation
214,807.65 : 296,367.84 = 124,130.58 : x - Step 2: Convert to fraction form
214,807.65/296,367.84 = 124,130.58/x - Step 3: Cross multiply
214,807.65x = 296,367.84 × 124,130.58 - Step 4: Simplify right side
214,807.65x = 36,788,311,872.55 - Step 5: Solve for x
x = 36,788,311,872.55/214,807.65 - Step 6: Final answer
x = 171,261.65
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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.