Finding the Fourth Proportional to 299,160.04, 412,842.18 and 163,197.08
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Solution
The fourth proportional to 299,160.04, 412,842.18 and 163,197.08 is: 225,212.69
Step by Step Solution
- Step 1: Write the proportion equation
299,160.04 : 412,842.18 = 163,197.08 : x - Step 2: Convert to fraction form
299,160.04/412,842.18 = 163,197.08/x - Step 3: Cross multiply
299,160.04x = 412,842.18 × 163,197.08 - Step 4: Simplify right side
299,160.04x = 67,374,638,276.83 - Step 5: Solve for x
x = 67,374,638,276.83/299,160.04 - Step 6: Final answer
x = 225,212.69
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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.