Finding the Fourth Proportional to 403,671.21, 605,296.56 and 190,381.85
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Solution
The fourth proportional to 403,671.21, 605,296.56 and 190,381.85 is: 285,473.62
Step by Step Solution
- Step 1: Write the proportion equation
403,671.21 : 605,296.56 = 190,381.85 : x - Step 2: Convert to fraction form
403,671.21/605,296.56 = 190,381.85/x - Step 3: Cross multiply
403,671.21x = 605,296.56 × 190,381.85 - Step 4: Simplify right side
403,671.21x = 115,237,478,848.75 - Step 5: Solve for x
x = 115,237,478,848.75/403,671.21 - Step 6: Final answer
x = 285,473.62
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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.