Finding the Fourth Proportional to 476,137.98, 657,068.56 and 261,281.63
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Solution
The fourth proportional to 476,137.98, 657,068.56 and 261,281.63 is: 360,567.63
Step by Step Solution
- Step 1: Write the proportion equation
476,137.98 : 657,068.56 = 261,281.63 : x - Step 2: Convert to fraction form
476,137.98/657,068.56 = 261,281.63/x - Step 3: Cross multiply
476,137.98x = 657,068.56 × 261,281.63 - Step 4: Simplify right side
476,137.98x = 171,679,945,368.02 - Step 5: Solve for x
x = 171,679,945,368.02/476,137.98 - Step 6: Final answer
x = 360,567.63
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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.