Finding the Fourth Proportional to 651,286.19, 976,920.47 and 291,361.88
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Solution
The fourth proportional to 651,286.19, 976,920.47 and 291,361.88 is: 437,038.88
Step by Step Solution
- Step 1: Write the proportion equation
651,286.19 : 976,920.47 = 291,361.88 : x - Step 2: Convert to fraction form
651,286.19/976,920.47 = 291,361.88/x - Step 3: Cross multiply
651,286.19x = 976,920.47 × 291,361.88 - Step 4: Simplify right side
651,286.19x = 284,637,385,478.09 - Step 5: Solve for x
x = 284,637,385,478.09/651,286.19 - Step 6: Final answer
x = 437,038.88
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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.