Finding the Fourth Proportional to 476,138.98, 657,069.94 and 261,282.64
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Solution
The fourth proportional to 476,138.98, 657,069.94 and 261,282.64 is: 360,569.02
Step by Step Solution
- Step 1: Write the proportion equation
476,138.98 : 657,069.94 = 261,282.64 : x - Step 2: Convert to fraction form
476,138.98/657,069.94 = 261,282.64/x - Step 3: Cross multiply
476,138.98x = 657,069.94 × 261,282.64 - Step 4: Simplify right side
476,138.98x = 171,680,963,996.08 - Step 5: Solve for x
x = 171,680,963,996.08/476,138.98 - Step 6: Final answer
x = 360,569.02
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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.