Finding the Fourth Proportional to 332,129.60, 458,412.16 and 211,247.36
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Solution
The fourth proportional to 332,129.60, 458,412.16 and 211,247.36 is: 291,567.99
Step by Step Solution
- Step 1: Write the proportion equation
332,129.60 : 458,412.16 = 211,247.36 : x - Step 2: Convert to fraction form
332,129.60/458,412.16 = 211,247.36/x - Step 3: Cross multiply
332,129.60x = 458,412.16 × 211,247.36 - Step 4: Simplify right side
332,129.60x = 96,838,358,591.90 - Step 5: Solve for x
x = 96,838,358,591.90/332,129.60 - Step 6: Final answer
x = 291,567.99
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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.