Finding the Fourth Proportional to 197,123.20, 295,684.80 and 97,298.80
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Solution
The fourth proportional to 197,123.20, 295,684.80 and 97,298.80 is: 145,948.20
Step by Step Solution
- Step 1: Write the proportion equation
197,123.20 : 295,684.80 = 97,298.80 : x - Step 2: Convert to fraction form
197,123.20/295,684.80 = 97,298.80/x - Step 3: Cross multiply
197,123.20x = 295,684.80 × 97,298.80 - Step 4: Simplify right side
197,123.20x = 28,769,776,218.24 - Step 5: Solve for x
x = 28,769,776,218.24/197,123.20 - Step 6: Final answer
x = 145,948.20
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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.