Finding the Fourth Proportional to 401,101.80, 601,652.70 and 389,437.80
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Solution
The fourth proportional to 401,101.80, 601,652.70 and 389,437.80 is: 584,156.70
Step by Step Solution
- Step 1: Write the proportion equation
401,101.80 : 601,652.70 = 389,437.80 : x - Step 2: Convert to fraction form
401,101.80/601,652.70 = 389,437.80/x - Step 3: Cross multiply
401,101.80x = 601,652.70 × 389,437.80 - Step 4: Simplify right side
401,101.80x = 234,306,303,852.06 - Step 5: Solve for x
x = 234,306,303,852.06/401,101.80 - Step 6: Final answer
x = 584,156.70
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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.