Finding the Fourth Proportional to 282,754.06, 390,203.37 and 153,692.45
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Solution
The fourth proportional to 282,754.06, 390,203.37 and 153,692.45 is: 212,097.09
Step by Step Solution
- Step 1: Write the proportion equation
282,754.06 : 390,203.37 = 153,692.45 : x - Step 2: Convert to fraction form
282,754.06/390,203.37 = 153,692.45/x - Step 3: Cross multiply
282,754.06x = 390,203.37 × 153,692.45 - Step 4: Simplify right side
282,754.06x = 59,971,313,197.24 - Step 5: Solve for x
x = 59,971,313,197.24/282,754.06 - Step 6: Final answer
x = 212,097.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.