Finding the Fourth Proportional to 219,538.62, 302,964.75 and 118,936.62
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Solution
The fourth proportional to 219,538.62, 302,964.75 and 118,936.62 is: 164,133.32
Step by Step Solution
- Step 1: Write the proportion equation
219,538.62 : 302,964.75 = 118,936.62 : x - Step 2: Convert to fraction form
219,538.62/302,964.75 = 118,936.62/x - Step 3: Cross multiply
219,538.62x = 302,964.75 × 118,936.62 - Step 4: Simplify right side
219,538.62x = 36,033,603,344.15 - Step 5: Solve for x
x = 36,033,603,344.15/219,538.62 - Step 6: Final answer
x = 164,133.32
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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.