Finding the Fourth Proportional to 98,390.23, 147,606.87 and 31,837.08
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Solution
The fourth proportional to 98,390.23, 147,606.87 and 31,837.08 is: 47,762.59
Step by Step Solution
- Step 1: Write the proportion equation
98,390.23 : 147,606.87 = 31,837.08 : x - Step 2: Convert to fraction form
98,390.23/147,606.87 = 31,837.08/x - Step 3: Cross multiply
98,390.23x = 147,606.87 × 31,837.08 - Step 4: Simplify right side
98,390.23x = 4,699,372,401.65 - Step 5: Solve for x
x = 4,699,372,401.65/98,390.23 - Step 6: Final answer
x = 47,762.59
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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.