Finding the Fourth Proportional to 384,604.14, 530,753.69 and 214,838.26
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Solution
The fourth proportional to 384,604.14, 530,753.69 and 214,838.26 is: 296,476.79
Step by Step Solution
- Step 1: Write the proportion equation
384,604.14 : 530,753.69 = 214,838.26 : x - Step 2: Convert to fraction form
384,604.14/530,753.69 = 214,838.26/x - Step 3: Cross multiply
384,604.14x = 530,753.69 × 214,838.26 - Step 4: Simplify right side
384,604.14x = 114,026,199,248.18 - Step 5: Solve for x
x = 114,026,199,248.18/384,604.14 - Step 6: Final answer
x = 296,476.79
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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.