Finding the Fourth Proportional to 384,746.73, 530,949.38 and 214,980.99
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Solution
The fourth proportional to 384,746.73, 530,949.38 and 214,980.99 is: 296,673.14
Step by Step Solution
- Step 1: Write the proportion equation
384,746.73 : 530,949.38 = 214,980.99 : x - Step 2: Convert to fraction form
384,746.73/530,949.38 = 214,980.99/x - Step 3: Cross multiply
384,746.73x = 530,949.38 × 214,980.99 - Step 4: Simplify right side
384,746.73x = 114,144,022,277.38 - Step 5: Solve for x
x = 114,144,022,277.38/384,746.73 - Step 6: Final answer
x = 296,673.14
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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.