Finding the Fourth Proportional to 212,860.96, 293,750.12 and 117,371.08
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Solution
The fourth proportional to 212,860.96, 293,750.12 and 117,371.08 is: 161,973.19
Step by Step Solution
- Step 1: Write the proportion equation
212,860.96 : 293,750.12 = 117,371.08 : x - Step 2: Convert to fraction form
212,860.96/293,750.12 = 117,371.08/x - Step 3: Cross multiply
212,860.96x = 293,750.12 × 117,371.08 - Step 4: Simplify right side
212,860.96x = 34,477,768,834.53 - Step 5: Solve for x
x = 34,477,768,834.53/212,860.96 - Step 6: Final answer
x = 161,973.19
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.