Finding the Fourth Proportional to 434,567.20, 651,850.80 and 247,943.20
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Solution
The fourth proportional to 434,567.20, 651,850.80 and 247,943.20 is: 371,914.80
Step by Step Solution
- Step 1: Write the proportion equation
434,567.20 : 651,850.80 = 247,943.20 : x - Step 2: Convert to fraction form
434,567.20/651,850.80 = 247,943.20/x - Step 3: Cross multiply
434,567.20x = 651,850.80 × 247,943.20 - Step 4: Simplify right side
434,567.20x = 161,621,973,274.56 - Step 5: Solve for x
x = 161,621,973,274.56/434,567.20 - Step 6: Final answer
x = 371,914.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.