Finding the Fourth Proportional to 230,207.06, 317,689.12 and 133,418.14
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Solution
The fourth proportional to 230,207.06, 317,689.12 and 133,418.14 is: 184,118.99
Step by Step Solution
- Step 1: Write the proportion equation
230,207.06 : 317,689.12 = 133,418.14 : x - Step 2: Convert to fraction form
230,207.06/317,689.12 = 133,418.14/x - Step 3: Cross multiply
230,207.06x = 317,689.12 × 133,418.14 - Step 4: Simplify right side
230,207.06x = 42,385,490,861.19 - Step 5: Solve for x
x = 42,385,490,861.19/230,207.06 - Step 6: Final answer
x = 184,118.99
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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.