Finding the Fourth Proportional to 207,752.23, 286,698.16 and 112,258.92
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Solution
The fourth proportional to 207,752.23, 286,698.16 and 112,258.92 is: 154,917.35
Step by Step Solution
- Step 1: Write the proportion equation
207,752.23 : 286,698.16 = 112,258.92 : x - Step 2: Convert to fraction form
207,752.23/286,698.16 = 112,258.92/x - Step 3: Cross multiply
207,752.23x = 286,698.16 × 112,258.92 - Step 4: Simplify right side
207,752.23x = 32,184,425,807.59 - Step 5: Solve for x
x = 32,184,425,807.59/207,752.23 - Step 6: Final answer
x = 154,917.35
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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.