Finding the Fourth Proportional to 228,907.57, 315,925.14 and 126,955.70
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Solution
The fourth proportional to 228,907.57, 315,925.14 and 126,955.70 is: 175,217.00
Step by Step Solution
- Step 1: Write the proportion equation
228,907.57 : 315,925.14 = 126,955.70 : x - Step 2: Convert to fraction form
228,907.57/315,925.14 = 126,955.70/x - Step 3: Cross multiply
228,907.57x = 315,925.14 × 126,955.70 - Step 4: Simplify right side
228,907.57x = 40,108,498,083.37 - Step 5: Solve for x
x = 40,108,498,083.37/228,907.57 - Step 6: Final answer
x = 175,217.00
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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.