Finding the Fourth Proportional to 304,411.32, 420,088.12 and 168,450.99
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Solution
The fourth proportional to 304,411.32, 420,088.12 and 168,450.99 is: 232,462.64
Step by Step Solution
- Step 1: Write the proportion equation
304,411.32 : 420,088.12 = 168,450.99 : x - Step 2: Convert to fraction form
304,411.32/420,088.12 = 168,450.99/x - Step 3: Cross multiply
304,411.32x = 420,088.12 × 168,450.99 - Step 4: Simplify right side
304,411.32x = 70,764,257,600.80 - Step 5: Solve for x
x = 70,764,257,600.80/304,411.32 - Step 6: Final answer
x = 232,462.64
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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.