Finding the Fourth Proportional to 170,403.99, 235,158.48 and 98,826.54
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Solution
The fourth proportional to 170,403.99, 235,158.48 and 98,826.54 is: 136,381.19
Step by Step Solution
- Step 1: Write the proportion equation
170,403.99 : 235,158.48 = 98,826.54 : x - Step 2: Convert to fraction form
170,403.99/235,158.48 = 98,826.54/x - Step 3: Cross multiply
170,403.99x = 235,158.48 × 98,826.54 - Step 4: Simplify right side
170,403.99x = 23,239,898,930.06 - Step 5: Solve for x
x = 23,239,898,930.06/170,403.99 - Step 6: Final answer
x = 136,381.19
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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.