Finding the Fourth Proportional to 170,587.56, 235,391.94 and 98,953.68
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Solution
The fourth proportional to 170,587.56, 235,391.94 and 98,953.68 is: 136,545.12
Step by Step Solution
- Step 1: Write the proportion equation
170,587.56 : 235,391.94 = 98,953.68 : x - Step 2: Convert to fraction form
170,587.56/235,391.94 = 98,953.68/x - Step 3: Cross multiply
170,587.56x = 235,391.94 × 98,953.68 - Step 4: Simplify right side
170,587.56x = 23,292,898,705.34 - Step 5: Solve for x
x = 23,292,898,705.34/170,587.56 - Step 6: Final answer
x = 136,545.12
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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.