Finding the Fourth Proportional to 355,626.68, 490,898.95 and 212,334.44
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Solution
The fourth proportional to 355,626.68, 490,898.95 and 212,334.44 is: 293,101.61
Step by Step Solution
- Step 1: Write the proportion equation
355,626.68 : 490,898.95 = 212,334.44 : x - Step 2: Convert to fraction form
355,626.68/490,898.95 = 212,334.44/x - Step 3: Cross multiply
355,626.68x = 490,898.95 × 212,334.44 - Step 4: Simplify right side
355,626.68x = 104,234,750,659.51 - Step 5: Solve for x
x = 104,234,750,659.51/355,626.68 - Step 6: Final answer
x = 293,101.61
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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.