Finding the Fourth Proportional to 520,159.68, 780,464.88 and 183,440.94
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Solution
The fourth proportional to 520,159.68, 780,464.88 and 183,440.94 is: 275,240.89
Step by Step Solution
- Step 1: Write the proportion equation
520,159.68 : 780,464.88 = 183,440.94 : x - Step 2: Convert to fraction form
520,159.68/780,464.88 = 183,440.94/x - Step 3: Cross multiply
520,159.68x = 780,464.88 × 183,440.94 - Step 4: Simplify right side
520,159.68x = 143,169,211,224.19 - Step 5: Solve for x
x = 143,169,211,224.19/520,159.68 - Step 6: Final answer
x = 275,240.89
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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.