Finding the Fourth Proportional to 407,334.79, 611,043.80 and 141,094.81
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Solution
The fourth proportional to 407,334.79, 611,043.80 and 141,094.81 is: 211,656.63
Step by Step Solution
- Step 1: Write the proportion equation
407,334.79 : 611,043.80 = 141,094.81 : x - Step 2: Convert to fraction form
407,334.79/611,043.80 = 141,094.81/x - Step 3: Cross multiply
407,334.79x = 611,043.80 × 141,094.81 - Step 4: Simplify right side
407,334.79x = 86,215,108,172.13 - Step 5: Solve for x
x = 86,215,108,172.13/407,334.79 - Step 6: Final answer
x = 211,656.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.