Finding the Fourth Proportional to 369,429.05, 509,471.98 and 233,226.34
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Solution
The fourth proportional to 369,429.05, 509,471.98 and 233,226.34 is: 321,637.63
Step by Step Solution
- Step 1: Write the proportion equation
369,429.05 : 509,471.98 = 233,226.34 : x - Step 2: Convert to fraction form
369,429.05/509,471.98 = 233,226.34/x - Step 3: Cross multiply
369,429.05x = 509,471.98 × 233,226.34 - Step 4: Simplify right side
369,429.05x = 118,822,283,371.21 - Step 5: Solve for x
x = 118,822,283,371.21/369,429.05 - Step 6: Final answer
x = 321,637.63
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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.