Finding the Fourth Proportional to 211,479.84, 317,302.79 and 93,068.12
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Solution
The fourth proportional to 211,479.84, 317,302.79 and 93,068.12 is: 139,638.72
Step by Step Solution
- Step 1: Write the proportion equation
211,479.84 : 317,302.79 = 93,068.12 : x - Step 2: Convert to fraction form
211,479.84/317,302.79 = 93,068.12/x - Step 3: Cross multiply
211,479.84x = 317,302.79 × 93,068.12 - Step 4: Simplify right side
211,479.84x = 29,530,774,136.05 - Step 5: Solve for x
x = 29,530,774,136.05/211,479.84 - Step 6: Final answer
x = 139,638.72
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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.