Finding the Fourth Proportional to 352,292.76, 486,157.73 and 214,421.81
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Solution
The fourth proportional to 352,292.76, 486,157.73 and 214,421.81 is: 295,898.27
Step by Step Solution
- Step 1: Write the proportion equation
352,292.76 : 486,157.73 = 214,421.81 : x - Step 2: Convert to fraction form
352,292.76/486,157.73 = 214,421.81/x - Step 3: Cross multiply
352,292.76x = 486,157.73 × 214,421.81 - Step 4: Simplify right side
352,292.76x = 104,242,816,909.19 - Step 5: Solve for x
x = 104,242,816,909.19/352,292.76 - Step 6: Final answer
x = 295,898.27
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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.