Finding the Fourth Proportional to 299,759.99, 413,656.44 and 163,798.60
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Solution
The fourth proportional to 299,759.99, 413,656.44 and 163,798.60 is: 226,035.32
Step by Step Solution
- Step 1: Write the proportion equation
299,759.99 : 413,656.44 = 163,798.60 : x - Step 2: Convert to fraction form
299,759.99/413,656.44 = 163,798.60/x - Step 3: Cross multiply
299,759.99x = 413,656.44 × 163,798.60 - Step 4: Simplify right side
299,759.99x = 67,756,344,718.84 - Step 5: Solve for x
x = 67,756,344,718.84/299,759.99 - Step 6: Final answer
x = 226,035.32
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1.5x scale
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.