Finding the Fourth Proportional to 228,208.42, 314,903.38 and 126,217.68
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Solution
The fourth proportional to 228,208.42, 314,903.38 and 126,217.68 is: 174,166.99
Step by Step Solution
- Step 1: Write the proportion equation
228,208.42 : 314,903.38 = 126,217.68 : x - Step 2: Convert to fraction form
228,208.42/314,903.38 = 126,217.68/x - Step 3: Cross multiply
228,208.42x = 314,903.38 × 126,217.68 - Step 4: Simplify right side
228,208.42x = 39,746,374,047.76 - Step 5: Solve for x
x = 39,746,374,047.76/228,208.42 - Step 6: Final answer
x = 174,166.99
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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.