Finding the Fourth Proportional to 403,527.80, 605,226.90 and 122,979.80
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Solution
The fourth proportional to 403,527.80, 605,226.90 and 122,979.80 is: 184,449.95
Step by Step Solution
- Step 1: Write the proportion equation
403,527.80 : 605,226.90 = 122,979.80 : x - Step 2: Convert to fraction form
403,527.80/605,226.90 = 122,979.80/x - Step 3: Cross multiply
403,527.80x = 605,226.90 × 122,979.80 - Step 4: Simplify right side
403,527.80x = 74,430,683,116.62 - Step 5: Solve for x
x = 74,430,683,116.62/403,527.80 - Step 6: Final answer
x = 184,449.95
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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.