Finding the Fourth Proportional to 224,687.31, 309,926.09 and 170,854.30
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Solution
The fourth proportional to 224,687.31, 309,926.09 and 170,854.30 is: 235,670.65
Step by Step Solution
- Step 1: Write the proportion equation
224,687.31 : 309,926.09 = 170,854.30 : x - Step 2: Convert to fraction form
224,687.31/309,926.09 = 170,854.30/x - Step 3: Cross multiply
224,687.31x = 309,926.09 × 170,854.30 - Step 4: Simplify right side
224,687.31x = 52,952,205,158.69 - Step 5: Solve for x
x = 52,952,205,158.69/224,687.31 - Step 6: Final answer
x = 235,670.65
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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.