Finding the Fourth Proportional to 309,564.71, 464,347.17 and 204,359.09
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Solution
The fourth proportional to 309,564.71, 464,347.17 and 204,359.09 is: 306,538.70
Step by Step Solution
- Step 1: Write the proportion equation
309,564.71 : 464,347.17 = 204,359.09 : x - Step 2: Convert to fraction form
309,564.71/464,347.17 = 204,359.09/x - Step 3: Cross multiply
309,564.71x = 464,347.17 × 204,359.09 - Step 4: Simplify right side
309,564.71x = 94,893,565,105.28 - Step 5: Solve for x
x = 94,893,565,105.28/309,564.71 - Step 6: Final answer
x = 306,538.70
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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.