Finding the Fourth Proportional to 613,591.80, 920,450.68 and 234,831.14
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Solution
The fourth proportional to 613,591.80, 920,450.68 and 234,831.14 is: 352,270.81
Step by Step Solution
- Step 1: Write the proportion equation
613,591.80 : 920,450.68 = 234,831.14 : x - Step 2: Convert to fraction form
613,591.80/920,450.68 = 234,831.14/x - Step 3: Cross multiply
613,591.80x = 920,450.68 × 234,831.14 - Step 4: Simplify right side
613,591.80x = 216,150,482,498.18 - Step 5: Solve for x
x = 216,150,482,498.18/613,591.80 - Step 6: Final answer
x = 352,270.81
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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.