Finding the Fourth Proportional to 700,813.55, 1,051,464.27 and 221,115.41
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Solution
The fourth proportional to 700,813.55, 1,051,464.27 and 221,115.41 is: 331,750.09
Step by Step Solution
- Step 1: Write the proportion equation
700,813.55 : 1,051,464.27 = 221,115.41 : x - Step 2: Convert to fraction form
700,813.55/1,051,464.27 = 221,115.41/x - Step 3: Cross multiply
700,813.55x = 1,051,464.27 × 221,115.41 - Step 4: Simplify right side
700,813.55x = 232,494,953,161.40 - Step 5: Solve for x
x = 232,494,953,161.40/700,813.55 - Step 6: Final answer
x = 331,750.09
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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.