Finding the Fourth Proportional to 417,958.84, 576,819.12 and 236,702.71
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Solution
The fourth proportional to 417,958.84, 576,819.12 and 236,702.71 is: 326,670.08
Step by Step Solution
- Step 1: Write the proportion equation
417,958.84 : 576,819.12 = 236,702.71 : x - Step 2: Convert to fraction form
417,958.84/576,819.12 = 236,702.71/x - Step 3: Cross multiply
417,958.84x = 576,819.12 × 236,702.71 - Step 4: Simplify right side
417,958.84x = 136,534,648,883.82 - Step 5: Solve for x
x = 136,534,648,883.82/417,958.84 - Step 6: Final answer
x = 326,670.08
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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.