Finding the Fourth Proportional to 514,298.60, 771,571.08 and 214,612.48
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Solution
The fourth proportional to 514,298.60, 771,571.08 and 214,612.48 is: 321,970.12
Step by Step Solution
- Step 1: Write the proportion equation
514,298.60 : 771,571.08 = 214,612.48 : x - Step 2: Convert to fraction form
514,298.60/771,571.08 = 214,612.48/x - Step 3: Cross multiply
514,298.60x = 771,571.08 × 214,612.48 - Step 4: Simplify right side
514,298.60x = 165,588,782,975.08 - Step 5: Solve for x
x = 165,588,782,975.08/514,298.60 - Step 6: Final answer
x = 321,970.12
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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.