Finding the Fourth Proportional to 239,460.84, 330,441.53 and 137,464.02
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Solution
The fourth proportional to 239,460.84, 330,441.53 and 137,464.02 is: 189,692.06
Step by Step Solution
- Step 1: Write the proportion equation
239,460.84 : 330,441.53 = 137,464.02 : x - Step 2: Convert to fraction form
239,460.84/330,441.53 = 137,464.02/x - Step 3: Cross multiply
239,460.84x = 330,441.53 × 137,464.02 - Step 4: Simplify right side
239,460.84x = 45,423,820,401.43 - Step 5: Solve for x
x = 45,423,820,401.43/239,460.84 - Step 6: Final answer
x = 189,692.06
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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.