Finding the Fourth Proportional to 235,429.25, 324,903.49 and 133,456.70
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Solution
The fourth proportional to 235,429.25, 324,903.49 and 133,456.70 is: 184,176.55
Step by Step Solution
- Step 1: Write the proportion equation
235,429.25 : 324,903.49 = 133,456.70 : x - Step 2: Convert to fraction form
235,429.25/324,903.49 = 133,456.70/x - Step 3: Cross multiply
235,429.25x = 324,903.49 × 133,456.70 - Step 4: Simplify right side
235,429.25x = 43,360,547,334.10 - Step 5: Solve for x
x = 43,360,547,334.10/235,429.25 - Step 6: Final answer
x = 184,176.55
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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.