Finding the Fourth Proportional to 318,776.42, 478,052.08 and 94,076.75
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Solution
The fourth proportional to 318,776.42, 478,052.08 and 94,076.75 is: 141,081.91
Step by Step Solution
- Step 1: Write the proportion equation
318,776.42 : 478,052.08 = 94,076.75 : x - Step 2: Convert to fraction form
318,776.42/478,052.08 = 94,076.75/x - Step 3: Cross multiply
318,776.42x = 478,052.08 × 94,076.75 - Step 4: Simplify right side
318,776.42x = 44,973,586,977.08 - Step 5: Solve for x
x = 44,973,586,977.08/318,776.42 - Step 6: Final answer
x = 141,081.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.