Finding the Fourth Proportional to 262,317.29, 393,377.49 and 84,776.63
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Solution
The fourth proportional to 262,317.29, 393,377.49 and 84,776.63 is: 127,133.12
Step by Step Solution
- Step 1: Write the proportion equation
262,317.29 : 393,377.49 = 84,776.63 : x - Step 2: Convert to fraction form
262,317.29/393,377.49 = 84,776.63/x - Step 3: Cross multiply
262,317.29x = 393,377.49 × 84,776.63 - Step 4: Simplify right side
262,317.29x = 33,349,215,953.17 - Step 5: Solve for x
x = 33,349,215,953.17/262,317.29 - Step 6: Final answer
x = 127,133.12
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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.