Finding the Fourth Proportional to 384,134.05, 530,134.37 and 212,085.19
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Solution
The fourth proportional to 384,134.05, 530,134.37 and 212,085.19 is: 292,693.78
Step by Step Solution
- Step 1: Write the proportion equation
384,134.05 : 530,134.37 = 212,085.19 : x - Step 2: Convert to fraction form
384,134.05/530,134.37 = 212,085.19/x - Step 3: Cross multiply
384,134.05x = 530,134.37 × 212,085.19 - Step 4: Simplify right side
384,134.05x = 112,433,648,586.98 - Step 5: Solve for x
x = 112,433,648,586.98/384,134.05 - Step 6: Final answer
x = 292,693.78
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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.