Finding the Fourth Proportional to 364,580.19, 545,811.21 and 212,313.02
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Solution
The fourth proportional to 364,580.19, 545,811.21 and 212,313.02 is: 317,852.77
Step by Step Solution
- Step 1: Write the proportion equation
364,580.19 : 545,811.21 = 212,313.02 : x - Step 2: Convert to fraction form
364,580.19/545,811.21 = 212,313.02/x - Step 3: Cross multiply
364,580.19x = 545,811.21 × 212,313.02 - Step 4: Simplify right side
364,580.19x = 115,882,823,615.90 - Step 5: Solve for x
x = 115,882,823,615.90/364,580.19 - Step 6: Final answer
x = 317,852.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.