Finding the Fourth Proportional to 186,854.48, 257,864.88 and 106,293.68
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Solution
The fourth proportional to 186,854.48, 257,864.88 and 106,293.68 is: 146,688.52
Step by Step Solution
- Step 1: Write the proportion equation
186,854.48 : 257,864.88 = 106,293.68 : x - Step 2: Convert to fraction form
186,854.48/257,864.88 = 106,293.68/x - Step 3: Cross multiply
186,854.48x = 257,864.88 × 106,293.68 - Step 4: Simplify right side
186,854.48x = 27,409,407,037.96 - Step 5: Solve for x
x = 27,409,407,037.96/186,854.48 - Step 6: Final answer
x = 146,688.52
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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.