Finding the Fourth Proportional to 154,807.99, 213,544.30 and 97,356.18
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Solution
The fourth proportional to 154,807.99, 213,544.30 and 97,356.18 is: 134,294.47
Step by Step Solution
- Step 1: Write the proportion equation
154,807.99 : 213,544.30 = 97,356.18 : x - Step 2: Convert to fraction form
154,807.99/213,544.30 = 97,356.18/x - Step 3: Cross multiply
154,807.99x = 213,544.30 × 97,356.18 - Step 4: Simplify right side
154,807.99x = 20,789,857,308.77 - Step 5: Solve for x
x = 20,789,857,308.77/154,807.99 - Step 6: Final answer
x = 134,294.47
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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.