Finding the Fourth Proportional to 476,199.14, 657,134.11 and 261,342.77
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Solution
The fourth proportional to 476,199.14, 657,134.11 and 261,342.77 is: 360,641.66
Step by Step Solution
- Step 1: Write the proportion equation
476,199.14 : 657,134.11 = 261,342.77 : x - Step 2: Convert to fraction form
476,199.14/657,134.11 = 261,342.77/x - Step 3: Cross multiply
476,199.14x = 657,134.11 × 261,342.77 - Step 4: Simplify right side
476,199.14x = 171,737,248,568.89 - Step 5: Solve for x
x = 171,737,248,568.89/476,199.14 - Step 6: Final answer
x = 360,641.66
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1.5x scale
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.