Finding the Fourth Proportional to 243,806.48, 336,660.60 and 153,313.88
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Solution
The fourth proportional to 243,806.48, 336,660.60 and 153,313.88 is: 211,703.74
Step by Step Solution
- Step 1: Write the proportion equation
243,806.48 : 336,660.60 = 153,313.88 : x - Step 2: Convert to fraction form
243,806.48/336,660.60 = 153,313.88/x - Step 3: Cross multiply
243,806.48x = 336,660.60 × 153,313.88 - Step 4: Simplify right side
243,806.48x = 51,614,742,829.13 - Step 5: Solve for x
x = 51,614,742,829.13/243,806.48 - Step 6: Final answer
x = 211,703.74
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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.