Finding the Fourth Proportional to 218,391.28, 301,379.35 and 122,897.98
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Solution
The fourth proportional to 218,391.28, 301,379.35 and 122,897.98 is: 169,598.86
Step by Step Solution
- Step 1: Write the proportion equation
218,391.28 : 301,379.35 = 122,897.98 : x - Step 2: Convert to fraction form
218,391.28/301,379.35 = 122,897.98/x - Step 3: Cross multiply
218,391.28x = 301,379.35 × 122,897.98 - Step 4: Simplify right side
218,391.28x = 37,038,913,217.18 - Step 5: Solve for x
x = 37,038,913,217.18/218,391.28 - Step 6: Final answer
x = 169,598.86
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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.