Finding the Fourth Proportional to 484,328.15, 726,655.58 and 214,419.01
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Solution
The fourth proportional to 484,328.15, 726,655.58 and 214,419.01 is: 321,700.84
Step by Step Solution
- Step 1: Write the proportion equation
484,328.15 : 726,655.58 = 214,419.01 : x - Step 2: Convert to fraction form
484,328.15/726,655.58 = 214,419.01/x - Step 3: Cross multiply
484,328.15x = 726,655.58 × 214,419.01 - Step 4: Simplify right side
484,328.15x = 155,808,770,977.31 - Step 5: Solve for x
x = 155,808,770,977.31/484,328.15 - Step 6: Final answer
x = 321,700.84
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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.