Finding the Fourth Proportional to 419,159.14, 578,439.63 and 228,173.92
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Solution
The fourth proportional to 419,159.14, 578,439.63 and 228,173.92 is: 314,880.02
Step by Step Solution
- Step 1: Write the proportion equation
419,159.14 : 578,439.63 = 228,173.92 : x - Step 2: Convert to fraction form
419,159.14/578,439.63 = 228,173.92/x - Step 3: Cross multiply
419,159.14x = 578,439.63 × 228,173.92 - Step 4: Simplify right side
419,159.14x = 131,984,837,860.45 - Step 5: Solve for x
x = 131,984,837,860.45/419,159.14 - Step 6: Final answer
x = 314,880.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.