Finding the Fourth Proportional to 1,088,330.18, 1,632,499.21 and 330,178.07
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Solution
The fourth proportional to 1,088,330.18, 1,632,499.21 and 330,178.07 is: 495,268.31
Step by Step Solution
- Step 1: Write the proportion equation
1,088,330.18 : 1,632,499.21 = 330,178.07 : x - Step 2: Convert to fraction form
1,088,330.18/1,632,499.21 = 330,178.07/x - Step 3: Cross multiply
1,088,330.18x = 1,632,499.21 × 330,178.07 - Step 4: Simplify right side
1,088,330.18x = 539,015,442,928.30 - Step 5: Solve for x
x = 539,015,442,928.30/1,088,330.18 - Step 6: Final answer
x = 495,268.31
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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.