Finding the Fourth Proportional to 99,590.23, 149,386.02 and 29,470.15
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Solution
The fourth proportional to 99,590.23, 149,386.02 and 29,470.15 is: 44,205.42
Step by Step Solution
- Step 1: Write the proportion equation
99,590.23 : 149,386.02 = 29,470.15 : x - Step 2: Convert to fraction form
99,590.23/149,386.02 = 29,470.15/x - Step 3: Cross multiply
99,590.23x = 149,386.02 × 29,470.15 - Step 4: Simplify right side
99,590.23x = 4,402,428,417.30 - Step 5: Solve for x
x = 4,402,428,417.30/99,590.23 - Step 6: Final answer
x = 44,205.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.