Finding the Fourth Proportional to 113,485.21, 170,332.95 and 57,364.99
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Solution
The fourth proportional to 113,485.21, 170,332.95 and 57,364.99 is: 86,100.63
Step by Step Solution
- Step 1: Write the proportion equation
113,485.21 : 170,332.95 = 57,364.99 : x - Step 2: Convert to fraction form
113,485.21/170,332.95 = 57,364.99/x - Step 3: Cross multiply
113,485.21x = 170,332.95 × 57,364.99 - Step 4: Simplify right side
113,485.21x = 9,771,147,973.42 - Step 5: Solve for x
x = 9,771,147,973.42/113,485.21 - Step 6: Final answer
x = 86,100.63
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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.