Finding the Fourth Proportional to 301,729.10, 452,593.60 and 77,089.98
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Solution
The fourth proportional to 301,729.10, 452,593.60 and 77,089.98 is: 115,634.96
Step by Step Solution
- Step 1: Write the proportion equation
301,729.10 : 452,593.60 = 77,089.98 : x - Step 2: Convert to fraction form
301,729.10/452,593.60 = 77,089.98/x - Step 3: Cross multiply
301,729.10x = 452,593.60 × 77,089.98 - Step 4: Simplify right side
301,729.10x = 34,890,431,572.13 - Step 5: Solve for x
x = 34,890,431,572.13/301,729.10 - Step 6: Final answer
x = 115,634.96
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1.5x scale
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.