Finding the Fourth Proportional to 867,811.68, 1,301,679.45 and 236,723.40
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Solution
The fourth proportional to 867,811.68, 1,301,679.45 and 236,723.40 is: 355,074.72
Step by Step Solution
- Step 1: Write the proportion equation
867,811.68 : 1,301,679.45 = 236,723.40 : x - Step 2: Convert to fraction form
867,811.68/1,301,679.45 = 236,723.40/x - Step 3: Cross multiply
867,811.68x = 1,301,679.45 × 236,723.40 - Step 4: Simplify right side
867,811.68x = 308,137,985,114.13 - Step 5: Solve for x
x = 308,137,985,114.13/867,811.68 - Step 6: Final answer
x = 355,074.72
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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.