Finding the Fourth Proportional to 536,085.40, 739,764.21 and 294,366.28
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Solution
The fourth proportional to 536,085.40, 739,764.21 and 294,366.28 is: 406,206.99
Step by Step Solution
- Step 1: Write the proportion equation
536,085.40 : 739,764.21 = 294,366.28 : x - Step 2: Convert to fraction form
536,085.40/739,764.21 = 294,366.28/x - Step 3: Cross multiply
536,085.40x = 739,764.21 × 294,366.28 - Step 4: Simplify right side
536,085.40x = 217,761,638,574.84 - Step 5: Solve for x
x = 217,761,638,574.84/536,085.40 - Step 6: Final answer
x = 406,206.99
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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.