Finding the Fourth Proportional to 399,602.40, 599,743.80 and 163,114.80
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Solution
The fourth proportional to 399,602.40, 599,743.80 and 163,114.80 is: 244,811.07
Step by Step Solution
- Step 1: Write the proportion equation
399,602.40 : 599,743.80 = 163,114.80 : x - Step 2: Convert to fraction form
399,602.40/599,743.80 = 163,114.80/x - Step 3: Cross multiply
399,602.40x = 599,743.80 × 163,114.80 - Step 4: Simplify right side
399,602.40x = 97,827,089,988.24 - Step 5: Solve for x
x = 97,827,089,988.24/399,602.40 - Step 6: Final answer
x = 244,811.07
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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.