Finding the Fourth Proportional to 384,673.75, 530,840.05 and 214,909.09
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Solution
The fourth proportional to 384,673.75, 530,840.05 and 214,909.09 is: 296,569.11
Step by Step Solution
- Step 1: Write the proportion equation
384,673.75 : 530,840.05 = 214,909.09 : x - Step 2: Convert to fraction form
384,673.75/530,840.05 = 214,909.09/x - Step 3: Cross multiply
384,673.75x = 530,840.05 × 214,909.09 - Step 4: Simplify right side
384,673.75x = 114,082,352,081.06 - Step 5: Solve for x
x = 114,082,352,081.06/384,673.75 - Step 6: Final answer
x = 296,569.11
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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.