Finding the Fourth Proportional to 414,362.23, 621,543.35 and 274,088.05
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Solution
The fourth proportional to 414,362.23, 621,543.35 and 274,088.05 is: 411,132.08
Step by Step Solution
- Step 1: Write the proportion equation
414,362.23 : 621,543.35 = 274,088.05 : x - Step 2: Convert to fraction form
414,362.23/621,543.35 = 274,088.05/x - Step 3: Cross multiply
414,362.23x = 621,543.35 × 274,088.05 - Step 4: Simplify right side
414,362.23x = 170,357,603,923.33 - Step 5: Solve for x
x = 170,357,603,923.33/414,362.23 - Step 6: Final answer
x = 411,132.08
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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.