Finding the Fourth Proportional to 159,897.36, 220,658.68 and 88,277.52
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Solution
The fourth proportional to 159,897.36, 220,658.68 and 88,277.52 is: 121,823.15
Step by Step Solution
- Step 1: Write the proportion equation
159,897.36 : 220,658.68 = 88,277.52 : x - Step 2: Convert to fraction form
159,897.36/220,658.68 = 88,277.52/x - Step 3: Cross multiply
159,897.36x = 220,658.68 × 88,277.52 - Step 4: Simplify right side
159,897.36x = 19,479,199,712.89 - Step 5: Solve for x
x = 19,479,199,712.89/159,897.36 - Step 6: Final answer
x = 121,823.15
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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.