Finding the Fourth Proportional to 219,537.68, 302,961.88 and 118,935.68
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Solution
The fourth proportional to 219,537.68, 302,961.88 and 118,935.68 is: 164,131.17
Step by Step Solution
- Step 1: Write the proportion equation
219,537.68 : 302,961.88 = 118,935.68 : x - Step 2: Convert to fraction form
219,537.68/302,961.88 = 118,935.68/x - Step 3: Cross multiply
219,537.68x = 302,961.88 × 118,935.68 - Step 4: Simplify right side
219,537.68x = 36,032,977,211.88 - Step 5: Solve for x
x = 36,032,977,211.88/219,537.68 - Step 6: Final answer
x = 164,131.17
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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.