Finding the Fourth Proportional to 651,381.60, 977,165.14 and 202,141.28
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Solution
The fourth proportional to 651,381.60, 977,165.14 and 202,141.28 is: 303,240.70
Step by Step Solution
- Step 1: Write the proportion equation
651,381.60 : 977,165.14 = 202,141.28 : x - Step 2: Convert to fraction form
651,381.60/977,165.14 = 202,141.28/x - Step 3: Cross multiply
651,381.60x = 977,165.14 × 202,141.28 - Step 4: Simplify right side
651,381.60x = 197,525,412,170.98 - Step 5: Solve for x
x = 197,525,412,170.98/651,381.60 - Step 6: Final answer
x = 303,240.70
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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.