Finding the Fourth Proportional to 230,596.28, 318,209.15 and 133,792.63
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Solution
The fourth proportional to 230,596.28, 318,209.15 and 133,792.63 is: 184,625.88
Step by Step Solution
- Step 1: Write the proportion equation
230,596.28 : 318,209.15 = 133,792.63 : x - Step 2: Convert to fraction form
230,596.28/318,209.15 = 133,792.63/x - Step 3: Cross multiply
230,596.28x = 318,209.15 × 133,792.63 - Step 4: Simplify right side
230,596.28x = 42,574,039,800.81 - Step 5: Solve for x
x = 42,574,039,800.81/230,596.28 - Step 6: Final answer
x = 184,625.88
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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.