Finding the Fourth Proportional to 211,676.84, 317,482.45 and 61,881.92
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Solution
The fourth proportional to 211,676.84, 317,482.45 and 61,881.92 is: 92,813.28
Step by Step Solution
- Step 1: Write the proportion equation
211,676.84 : 317,482.45 = 61,881.92 : x - Step 2: Convert to fraction form
211,676.84/317,482.45 = 61,881.92/x - Step 3: Cross multiply
211,676.84x = 317,482.45 × 61,881.92 - Step 4: Simplify right side
211,676.84x = 19,646,421,830.19 - Step 5: Solve for x
x = 19,646,421,830.19/211,676.84 - Step 6: Final answer
x = 92,813.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.