Finding the Fourth Proportional to 301,689.84, 416,334.62 and 165,726.55
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Solution
The fourth proportional to 301,689.84, 416,334.62 and 165,726.55 is: 228,704.09
Step by Step Solution
- Step 1: Write the proportion equation
301,689.84 : 416,334.62 = 165,726.55 : x - Step 2: Convert to fraction form
301,689.84/416,334.62 = 165,726.55/x - Step 3: Cross multiply
301,689.84x = 416,334.62 × 165,726.55 - Step 4: Simplify right side
301,689.84x = 68,997,700,218.16 - Step 5: Solve for x
x = 68,997,700,218.16/301,689.84 - Step 6: Final answer
x = 228,704.09
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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.