Finding the Fourth Proportional to 475,419.98, 656,078.28 and 257,634.68
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Solution
The fourth proportional to 475,419.98, 656,078.28 and 257,634.68 is: 355,535.15
Step by Step Solution
- Step 1: Write the proportion equation
475,419.98 : 656,078.28 = 257,634.68 : x - Step 2: Convert to fraction form
475,419.98/656,078.28 = 257,634.68/x - Step 3: Cross multiply
475,419.98x = 656,078.28 × 257,634.68 - Step 4: Simplify right side
475,419.98x = 169,028,514,925.42 - Step 5: Solve for x
x = 169,028,514,925.42/475,419.98 - Step 6: Final answer
x = 355,535.15
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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.