Finding the Fourth Proportional to 613,125.19, 919,826.18 and 186,699.14
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Solution
The fourth proportional to 613,125.19, 919,826.18 and 186,699.14 is: 280,090.85
Step by Step Solution
- Step 1: Write the proportion equation
613,125.19 : 919,826.18 = 186,699.14 : x - Step 2: Convert to fraction form
613,125.19/919,826.18 = 186,699.14/x - Step 3: Cross multiply
613,125.19x = 919,826.18 × 186,699.14 - Step 4: Simplify right side
613,125.19x = 171,730,756,755.49 - Step 5: Solve for x
x = 171,730,756,755.49/613,125.19 - Step 6: Final answer
x = 280,090.85
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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.