Finding the Fourth Proportional to 358,075.80, 537,113.70 and 168,418.26
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Solution
The fourth proportional to 358,075.80, 537,113.70 and 168,418.26 is: 252,627.39
Step by Step Solution
- Step 1: Write the proportion equation
358,075.80 : 537,113.70 = 168,418.26 : x - Step 2: Convert to fraction form
358,075.80/537,113.70 = 168,418.26/x - Step 3: Cross multiply
358,075.80x = 537,113.70 × 168,418.26 - Step 4: Simplify right side
358,075.80x = 90,459,754,776.16 - Step 5: Solve for x
x = 90,459,754,776.16/358,075.80 - Step 6: Final answer
x = 252,627.39
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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.