Finding the Fourth Proportional to 295,197.60, 442,342.80 and 219,964.80
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Solution
The fourth proportional to 295,197.60, 442,342.80 and 219,964.80 is: 329,609.20
Step by Step Solution
- Step 1: Write the proportion equation
295,197.60 : 442,342.80 = 219,964.80 : x - Step 2: Convert to fraction form
295,197.60/442,342.80 = 219,964.80/x - Step 3: Cross multiply
295,197.60x = 442,342.80 × 219,964.80 - Step 4: Simplify right side
295,197.60x = 97,299,845,533.44 - Step 5: Solve for x
x = 97,299,845,533.44/295,197.60 - Step 6: Final answer
x = 329,609.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.