Finding the Fourth Proportional to 384,758.73, 530,965.94 and 214,992.99
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Solution
The fourth proportional to 384,758.73, 530,965.94 and 214,992.99 is: 296,689.70
Step by Step Solution
- Step 1: Write the proportion equation
384,758.73 : 530,965.94 = 214,992.99 : x - Step 2: Convert to fraction form
384,758.73/530,965.94 = 214,992.99/x - Step 3: Cross multiply
384,758.73x = 530,965.94 × 214,992.99 - Step 4: Simplify right side
384,758.73x = 114,153,953,953.80 - Step 5: Solve for x
x = 114,153,953,953.80/384,758.73 - Step 6: Final answer
x = 296,689.70
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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.