Finding the Fourth Proportional to 402,564.52, 555,662.82 and 259,324.12
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Solution
The fourth proportional to 402,564.52, 555,662.82 and 259,324.12 is: 357,947.02
Step by Step Solution
- Step 1: Write the proportion equation
402,564.52 : 555,662.82 = 259,324.12 : x - Step 2: Convert to fraction form
402,564.52/555,662.82 = 259,324.12/x - Step 3: Cross multiply
402,564.52x = 555,662.82 × 259,324.12 - Step 4: Simplify right side
402,564.52x = 144,096,771,813.22 - Step 5: Solve for x
x = 144,096,771,813.22/402,564.52 - Step 6: Final answer
x = 357,947.02
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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.