Finding the Fourth Proportional to 230,895.99, 318,689.58 and 135,433.44
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Solution
The fourth proportional to 230,895.99, 318,689.58 and 135,433.44 is: 186,929.30
Step by Step Solution
- Step 1: Write the proportion equation
230,895.99 : 318,689.58 = 135,433.44 : x - Step 2: Convert to fraction form
230,895.99/318,689.58 = 135,433.44/x - Step 3: Cross multiply
230,895.99x = 318,689.58 × 135,433.44 - Step 4: Simplify right side
230,895.99x = 43,161,226,111.56 - Step 5: Solve for x
x = 43,161,226,111.56/230,895.99 - Step 6: Final answer
x = 186,929.30
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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.