Finding the Fourth Proportional to 428,024.66, 590,681.97 and 246,705.95
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Solution
The fourth proportional to 428,024.66, 590,681.97 and 246,705.95 is: 340,458.79
Step by Step Solution
- Step 1: Write the proportion equation
428,024.66 : 590,681.97 = 246,705.95 : x - Step 2: Convert to fraction form
428,024.66/590,681.97 = 246,705.95/x - Step 3: Cross multiply
428,024.66x = 590,681.97 × 246,705.95 - Step 4: Simplify right side
428,024.66x = 145,724,758,033.43 - Step 5: Solve for x
x = 145,724,758,033.43/428,024.66 - Step 6: Final answer
x = 340,458.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.