Finding the Fourth Proportional to 212,448.24, 318,869.28 and 107,341.08
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Solution
The fourth proportional to 212,448.24, 318,869.28 and 107,341.08 is: 161,111.12
Step by Step Solution
- Step 1: Write the proportion equation
212,448.24 : 318,869.28 = 107,341.08 : x - Step 2: Convert to fraction form
212,448.24/318,869.28 = 107,341.08/x - Step 3: Cross multiply
212,448.24x = 318,869.28 × 107,341.08 - Step 4: Simplify right side
212,448.24x = 34,227,772,894.02 - Step 5: Solve for x
x = 34,227,772,894.02/212,448.24 - Step 6: Final answer
x = 161,111.12
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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.