Finding the Fourth Proportional to 476,319.96, 657,319.05 and 261,463.68
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Solution
The fourth proportional to 476,319.96, 657,319.05 and 261,463.68 is: 360,818.51
Step by Step Solution
- Step 1: Write the proportion equation
476,319.96 : 657,319.05 = 261,463.68 : x - Step 2: Convert to fraction form
476,319.96/657,319.05 = 261,463.68/x - Step 3: Cross multiply
476,319.96x = 657,319.05 × 261,463.68 - Step 4: Simplify right side
476,319.96x = 171,865,057,747.10 - Step 5: Solve for x
x = 171,865,057,747.10/476,319.96 - Step 6: Final answer
x = 360,818.51
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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.