Finding the Fourth Proportional to 343,122.15, 473,671.26 and 228,591.66
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Solution
The fourth proportional to 343,122.15, 473,671.26 and 228,591.66 is: 315,564.88
Step by Step Solution
- Step 1: Write the proportion equation
343,122.15 : 473,671.26 = 228,591.66 : x - Step 2: Convert to fraction form
343,122.15/473,671.26 = 228,591.66/x - Step 3: Cross multiply
343,122.15x = 473,671.26 × 228,591.66 - Step 4: Simplify right side
343,122.15x = 108,277,299,617.69 - Step 5: Solve for x
x = 108,277,299,617.69/343,122.15 - Step 6: Final answer
x = 315,564.88
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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.