Finding the Fourth Proportional to 476,282.63, 657,278.51 and 261,442.68
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Solution
The fourth proportional to 476,282.63, 657,278.51 and 261,442.68 is: 360,795.55
Step by Step Solution
- Step 1: Write the proportion equation
476,282.63 : 657,278.51 = 261,442.68 : x - Step 2: Convert to fraction form
476,282.63/657,278.51 = 261,442.68/x - Step 3: Cross multiply
476,282.63x = 657,278.51 × 261,442.68 - Step 4: Simplify right side
476,282.63x = 171,840,653,853.59 - Step 5: Solve for x
x = 171,840,653,853.59/476,282.63 - Step 6: Final answer
x = 360,795.55
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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.