Finding the Fourth Proportional to 314,092.71, 471,191.99 and 145,544.67
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Solution
The fourth proportional to 314,092.71, 471,191.99 and 145,544.67 is: 218,341.53
Step by Step Solution
- Step 1: Write the proportion equation
314,092.71 : 471,191.99 = 145,544.67 : x - Step 2: Convert to fraction form
314,092.71/471,191.99 = 145,544.67/x - Step 3: Cross multiply
314,092.71x = 471,191.99 × 145,544.67 - Step 4: Simplify right side
314,092.71x = 68,579,481,963.47 - Step 5: Solve for x
x = 68,579,481,963.47/314,092.71 - Step 6: Final answer
x = 218,341.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.