Finding the Fourth Proportional to 355,419.92, 533,278.08 and 155,883.68
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Solution
The fourth proportional to 355,419.92, 533,278.08 and 155,883.68 is: 233,890.52
Step by Step Solution
- Step 1: Write the proportion equation
355,419.92 : 533,278.08 = 155,883.68 : x - Step 2: Convert to fraction form
355,419.92/533,278.08 = 155,883.68/x - Step 3: Cross multiply
355,419.92x = 533,278.08 × 155,883.68 - Step 4: Simplify right side
355,419.92x = 83,129,349,573.73 - Step 5: Solve for x
x = 83,129,349,573.73/355,419.92 - Step 6: Final answer
x = 233,890.52
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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.