Finding the Fourth Proportional to 299,415.60, 413,194.35 and 163,449.67
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Solution
The fourth proportional to 299,415.60, 413,194.35 and 163,449.67 is: 225,560.99
Step by Step Solution
- Step 1: Write the proportion equation
299,415.60 : 413,194.35 = 163,449.67 : x - Step 2: Convert to fraction form
299,415.60/413,194.35 = 163,449.67/x - Step 3: Cross multiply
299,415.60x = 413,194.35 × 163,449.67 - Step 4: Simplify right side
299,415.60x = 67,536,480,153.36 - Step 5: Solve for x
x = 67,536,480,153.36/299,415.60 - Step 6: Final answer
x = 225,560.99
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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.