Finding the Fourth Proportional to 228,038.99, 314,716.73 and 126,072.18
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Solution
The fourth proportional to 228,038.99, 314,716.73 and 126,072.18 is: 173,992.28
Step by Step Solution
- Step 1: Write the proportion equation
228,038.99 : 314,716.73 = 126,072.18 : x - Step 2: Convert to fraction form
228,038.99/314,716.73 = 126,072.18/x - Step 3: Cross multiply
228,038.99x = 314,716.73 × 126,072.18 - Step 4: Simplify right side
228,038.99x = 39,677,023,603.21 - Step 5: Solve for x
x = 39,677,023,603.21/228,038.99 - Step 6: Final answer
x = 173,992.28
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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.