Finding the Fourth Proportional to 309,599.11, 464,399.16 and 84,962.62
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Solution
The fourth proportional to 309,599.11, 464,399.16 and 84,962.62 is: 127,444.07
Step by Step Solution
- Step 1: Write the proportion equation
309,599.11 : 464,399.16 = 84,962.62 : x - Step 2: Convert to fraction form
309,599.11/464,399.16 = 84,962.62/x - Step 3: Cross multiply
309,599.11x = 464,399.16 × 84,962.62 - Step 4: Simplify right side
309,599.11x = 39,456,569,359.40 - Step 5: Solve for x
x = 39,456,569,359.40/309,599.11 - Step 6: Final answer
x = 127,444.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.