Finding the Fourth Proportional to 98,246.70, 147,369.63 and 28,125.99
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Solution
The fourth proportional to 98,246.70, 147,369.63 and 28,125.99 is: 42,188.86
Step by Step Solution
- Step 1: Write the proportion equation
98,246.70 : 147,369.63 = 28,125.99 : x - Step 2: Convert to fraction form
98,246.70/147,369.63 = 28,125.99/x - Step 3: Cross multiply
98,246.70x = 147,369.63 × 28,125.99 - Step 4: Simplify right side
98,246.70x = 4,144,916,739.68 - Step 5: Solve for x
x = 4,144,916,739.68/98,246.70 - Step 6: Final answer
x = 42,188.86
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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.