Finding the Fourth Proportional to 168,863.08, 232,929.51 and 111,502.93
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Solution
The fourth proportional to 168,863.08, 232,929.51 and 111,502.93 is: 153,806.99
Step by Step Solution
- Step 1: Write the proportion equation
168,863.08 : 232,929.51 = 111,502.93 : x - Step 2: Convert to fraction form
168,863.08/232,929.51 = 111,502.93/x - Step 3: Cross multiply
168,863.08x = 232,929.51 × 111,502.93 - Step 4: Simplify right side
168,863.08x = 25,972,322,848.46 - Step 5: Solve for x
x = 25,972,322,848.46/168,863.08 - Step 6: Final answer
x = 153,806.99
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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.