Finding the Fourth Proportional to 449,496.99, 620,303.96 and 248,292.99
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Solution
The fourth proportional to 449,496.99, 620,303.96 and 248,292.99 is: 342,643.28
Step by Step Solution
- Step 1: Write the proportion equation
449,496.99 : 620,303.96 = 248,292.99 : x - Step 2: Convert to fraction form
449,496.99/620,303.96 = 248,292.99/x - Step 3: Cross multiply
449,496.99x = 620,303.96 × 248,292.99 - Step 4: Simplify right side
449,496.99x = 154,017,123,695.78 - Step 5: Solve for x
x = 154,017,123,695.78/449,496.99 - Step 6: Final answer
x = 342,643.28
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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.