Finding the Fourth Proportional to 918,134.12, 1,377,199.40 and 244,216.15
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Solution
The fourth proportional to 918,134.12, 1,377,199.40 and 244,216.15 is: 366,323.75
Step by Step Solution
- Step 1: Write the proportion equation
918,134.12 : 1,377,199.40 = 244,216.15 : x - Step 2: Convert to fraction form
918,134.12/1,377,199.40 = 244,216.15/x - Step 3: Cross multiply
918,134.12x = 1,377,199.40 × 244,216.15 - Step 4: Simplify right side
918,134.12x = 336,334,330,586.23 - Step 5: Solve for x
x = 336,334,330,586.23/918,134.12 - Step 6: Final answer
x = 366,323.75
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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.