Finding the Fourth Proportional to 98,225.30, 135,567.17 and 57,948.92
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Solution
The fourth proportional to 98,225.30, 135,567.17 and 57,948.92 is: 79,979.09
Step by Step Solution
- Step 1: Write the proportion equation
98,225.30 : 135,567.17 = 57,948.92 : x - Step 2: Convert to fraction form
98,225.30/135,567.17 = 57,948.92/x - Step 3: Cross multiply
98,225.30x = 135,567.17 × 57,948.92 - Step 4: Simplify right side
98,225.30x = 7,855,970,121.38 - Step 5: Solve for x
x = 7,855,970,121.38/98,225.30 - Step 6: Final answer
x = 79,979.09
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1.5x scale
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.