Finding the Fourth Proportional to 918,998.18, 1,378,563.18 and 245,075.95
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Solution
The fourth proportional to 918,998.18, 1,378,563.18 and 245,075.95 is: 367,631.50
Step by Step Solution
- Step 1: Write the proportion equation
918,998.18 : 1,378,563.18 = 245,075.95 : x - Step 2: Convert to fraction form
918,998.18/1,378,563.18 = 245,075.95/x - Step 3: Cross multiply
918,998.18x = 1,378,563.18 × 245,075.95 - Step 4: Simplify right side
918,998.18x = 337,852,680,973.52 - Step 5: Solve for x
x = 337,852,680,973.52/918,998.18 - Step 6: Final answer
x = 367,631.50
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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.