Finding the Fourth Proportional to 476,524.16, 657,558.08 and 285,502.08
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Solution
The fourth proportional to 476,524.16, 657,558.08 and 285,502.08 is: 393,965.75
Step by Step Solution
- Step 1: Write the proportion equation
476,524.16 : 657,558.08 = 285,502.08 : x - Step 2: Convert to fraction form
476,524.16/657,558.08 = 285,502.08/x - Step 3: Cross multiply
476,524.16x = 657,558.08 × 285,502.08 - Step 4: Simplify right side
476,524.16x = 187,734,199,560.81 - Step 5: Solve for x
x = 187,734,199,560.81/476,524.16 - Step 6: Final answer
x = 393,965.75
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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.