Finding the Fourth Proportional to 197,420.80, 295,936.80 and 97,596.40
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Solution
The fourth proportional to 197,420.80, 295,936.80 and 97,596.40 is: 146,298.50
Step by Step Solution
- Step 1: Write the proportion equation
197,420.80 : 295,936.80 = 97,596.40 : x - Step 2: Convert to fraction form
197,420.80/295,936.80 = 97,596.40/x - Step 3: Cross multiply
197,420.80x = 295,936.80 × 97,596.40 - Step 4: Simplify right side
197,420.80x = 28,882,366,307.52 - Step 5: Solve for x
x = 28,882,366,307.52/197,420.80 - Step 6: Final answer
x = 146,298.50
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1.5x scale
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.