Finding the Fourth Proportional to 428,507.70, 591,298.83 and 237,516.99
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Solution
The fourth proportional to 428,507.70, 591,298.83 and 237,516.99 is: 327,750.28
Step by Step Solution
- Step 1: Write the proportion equation
428,507.70 : 591,298.83 = 237,516.99 : x - Step 2: Convert to fraction form
428,507.70/591,298.83 = 237,516.99/x - Step 3: Cross multiply
428,507.70x = 591,298.83 × 237,516.99 - Step 4: Simplify right side
428,507.70x = 140,443,518,292.12 - Step 5: Solve for x
x = 140,443,518,292.12/428,507.70 - Step 6: Final answer
x = 327,750.28
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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.