Finding the Fourth Proportional to 430,773.93, 646,161.08 and 193,839.84
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Solution
The fourth proportional to 430,773.93, 646,161.08 and 193,839.84 is: 290,759.84
Step by Step Solution
- Step 1: Write the proportion equation
430,773.93 : 646,161.08 = 193,839.84 : x - Step 2: Convert to fraction form
430,773.93/646,161.08 = 193,839.84/x - Step 3: Cross multiply
430,773.93x = 646,161.08 × 193,839.84 - Step 4: Simplify right side
430,773.93x = 125,251,759,392.23 - Step 5: Solve for x
x = 125,251,759,392.23/430,773.93 - Step 6: Final answer
x = 290,759.84
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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.