Finding the Fourth Proportional to 171,222.95, 236,307.62 and 99,605.99
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Solution
The fourth proportional to 171,222.95, 236,307.62 and 99,605.99 is: 137,467.87
Step by Step Solution
- Step 1: Write the proportion equation
171,222.95 : 236,307.62 = 99,605.99 : x - Step 2: Convert to fraction form
171,222.95/236,307.62 = 99,605.99/x - Step 3: Cross multiply
171,222.95x = 236,307.62 × 99,605.99 - Step 4: Simplify right side
171,222.95x = 23,537,653,502.12 - Step 5: Solve for x
x = 23,537,653,502.12/171,222.95 - Step 6: Final answer
x = 137,467.87
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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.