Finding the Fourth Proportional to 219,538.68, 302,963.26 and 118,936.68
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Solution
The fourth proportional to 219,538.68, 302,963.26 and 118,936.68 is: 164,132.55
Step by Step Solution
- Step 1: Write the proportion equation
219,538.68 : 302,963.26 = 118,936.68 : x - Step 2: Convert to fraction form
219,538.68/302,963.26 = 118,936.68/x - Step 3: Cross multiply
219,538.68x = 302,963.26 × 118,936.68 - Step 4: Simplify right side
219,538.68x = 36,033,444,306.38 - Step 5: Solve for x
x = 36,033,444,306.38/219,538.68 - Step 6: Final answer
x = 164,132.55
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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.