Finding the Fourth Proportional to 309,497.07, 464,214.49 and 84,880.09
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Solution
The fourth proportional to 309,497.07, 464,214.49 and 84,880.09 is: 127,311.60
Step by Step Solution
- Step 1: Write the proportion equation
309,497.07 : 464,214.49 = 84,880.09 : x - Step 2: Convert to fraction form
309,497.07/464,214.49 = 84,880.09/x - Step 3: Cross multiply
309,497.07x = 464,214.49 × 84,880.09 - Step 4: Simplify right side
309,497.07x = 39,402,565,924.82 - Step 5: Solve for x
x = 39,402,565,924.82/309,497.07 - Step 6: Final answer
x = 127,311.60
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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.