Finding the Fourth Proportional to 146,888.95, 202,691.49 and 86,455.99
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Solution
The fourth proportional to 146,888.95, 202,691.49 and 86,455.99 is: 119,300.28
Step by Step Solution
- Step 1: Write the proportion equation
146,888.95 : 202,691.49 = 86,455.99 : x - Step 2: Convert to fraction form
146,888.95/202,691.49 = 86,455.99/x - Step 3: Cross multiply
146,888.95x = 202,691.49 × 86,455.99 - Step 4: Simplify right side
146,888.95x = 17,523,893,432.53 - Step 5: Solve for x
x = 17,523,893,432.53/146,888.95 - Step 6: Final answer
x = 119,300.28
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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.