Finding the Fourth Proportional to 644,203.09, 966,090.04 and 259,852.67
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Solution
The fourth proportional to 644,203.09, 966,090.04 and 259,852.67 is: 389,692.45
Step by Step Solution
- Step 1: Write the proportion equation
644,203.09 : 966,090.04 = 259,852.67 : x - Step 2: Convert to fraction form
644,203.09/966,090.04 = 259,852.67/x - Step 3: Cross multiply
644,203.09x = 966,090.04 × 259,852.67 - Step 4: Simplify right side
644,203.09x = 251,041,079,931.42 - Step 5: Solve for x
x = 251,041,079,931.42/644,203.09 - Step 6: Final answer
x = 389,692.45
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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.