Finding the Fourth Proportional to 331,590.78, 457,578.99 and 188,332.02
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Solution
The fourth proportional to 331,590.78, 457,578.99 and 188,332.02 is: 259,888.94
Step by Step Solution
- Step 1: Write the proportion equation
331,590.78 : 457,578.99 = 188,332.02 : x - Step 2: Convert to fraction form
331,590.78/457,578.99 = 188,332.02/x - Step 3: Cross multiply
331,590.78x = 457,578.99 × 188,332.02 - Step 4: Simplify right side
331,590.78x = 86,176,775,496.26 - Step 5: Solve for x
x = 86,176,775,496.26/331,590.78 - Step 6: Final answer
x = 259,888.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.