Finding the Fourth Proportional to 465,458.79, 642,130.68 and 293,272.23
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Solution
The fourth proportional to 465,458.79, 642,130.68 and 293,272.23 is: 404,588.12
Step by Step Solution
- Step 1: Write the proportion equation
465,458.79 : 642,130.68 = 293,272.23 : x - Step 2: Convert to fraction form
465,458.79/642,130.68 = 293,272.23/x - Step 3: Cross multiply
465,458.79x = 642,130.68 × 293,272.23 - Step 4: Simplify right side
465,458.79x = 188,319,096,475.02 - Step 5: Solve for x
x = 188,319,096,475.02/465,458.79 - Step 6: Final answer
x = 404,588.12
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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.