Finding the Fourth Proportional to 219,036.18, 302,406.75 and 167,950.71
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Solution
The fourth proportional to 219,036.18, 302,406.75 and 167,950.71 is: 231,876.89
Step by Step Solution
- Step 1: Write the proportion equation
219,036.18 : 302,406.75 = 167,950.71 : x - Step 2: Convert to fraction form
219,036.18/302,406.75 = 167,950.71/x - Step 3: Cross multiply
219,036.18x = 302,406.75 × 167,950.71 - Step 4: Simplify right side
219,036.18x = 50,789,428,371.29 - Step 5: Solve for x
x = 50,789,428,371.29/219,036.18 - Step 6: Final answer
x = 231,876.89
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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.