Finding the Fourth Proportional to 219,246.09, 302,559.44 and 118,644.09
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Solution
The fourth proportional to 219,246.09, 302,559.44 and 118,644.09 is: 163,728.75
Step by Step Solution
- Step 1: Write the proportion equation
219,246.09 : 302,559.44 = 118,644.09 : x - Step 2: Convert to fraction form
219,246.09/302,559.44 = 118,644.09/x - Step 3: Cross multiply
219,246.09x = 302,559.44 × 118,644.09 - Step 4: Simplify right side
219,246.09x = 35,896,888,836.49 - Step 5: Solve for x
x = 35,896,888,836.49/219,246.09 - Step 6: Final answer
x = 163,728.75
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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.