Finding the Fourth Proportional to 210,742.29, 316,163.34 and 60,986.07
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Solution
The fourth proportional to 210,742.29, 316,163.34 and 60,986.07 is: 91,493.55
Step by Step Solution
- Step 1: Write the proportion equation
210,742.29 : 316,163.34 = 60,986.07 : x - Step 2: Convert to fraction form
210,742.29/316,163.34 = 60,986.07/x - Step 3: Cross multiply
210,742.29x = 316,163.34 × 60,986.07 - Step 4: Simplify right side
210,742.29x = 19,281,559,584.67 - Step 5: Solve for x
x = 19,281,559,584.67/210,742.29 - Step 6: Final answer
x = 91,493.55
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1.5x scale
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.