Finding the Fourth Proportional to 382,859.51, 574,289.08 and 157,972.68
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Solution
The fourth proportional to 382,859.51, 574,289.08 and 157,972.68 is: 236,958.95
Step by Step Solution
- Step 1: Write the proportion equation
382,859.51 : 574,289.08 = 157,972.68 : x - Step 2: Convert to fraction form
382,859.51/574,289.08 = 157,972.68/x - Step 3: Cross multiply
382,859.51x = 574,289.08 × 157,972.68 - Step 4: Simplify right side
382,859.51x = 90,721,984,667.40 - Step 5: Solve for x
x = 90,721,984,667.40/382,859.51 - Step 6: Final answer
x = 236,958.95
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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.