Finding the Fourth Proportional to 451,861.06, 623,056.98 and 288,298.70
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Solution
The fourth proportional to 451,861.06, 623,056.98 and 288,298.70 is: 397,525.99
Step by Step Solution
- Step 1: Write the proportion equation
451,861.06 : 623,056.98 = 288,298.70 : x - Step 2: Convert to fraction form
451,861.06/623,056.98 = 288,298.70/x - Step 3: Cross multiply
451,861.06x = 623,056.98 × 288,298.70 - Step 4: Simplify right side
451,861.06x = 179,626,517,359.93 - Step 5: Solve for x
x = 179,626,517,359.93/451,861.06 - Step 6: Final answer
x = 397,525.99
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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.