Finding the Fourth Proportional to 619,245.21, 928,931.58 and 214,436.63
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Solution
The fourth proportional to 619,245.21, 928,931.58 and 214,436.63 is: 321,677.03
Step by Step Solution
- Step 1: Write the proportion equation
619,245.21 : 928,931.58 = 214,436.63 : x - Step 2: Convert to fraction form
619,245.21/928,931.58 = 214,436.63/x - Step 3: Cross multiply
619,245.21x = 928,931.58 × 214,436.63 - Step 4: Simplify right side
619,245.21x = 199,196,956,443.59 - Step 5: Solve for x
x = 199,196,956,443.59/619,245.21 - Step 6: Final answer
x = 321,677.03
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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.