Finding the Fourth Proportional to 313,564.64, 432,727.26 and 170,332.88
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Solution
The fourth proportional to 313,564.64, 432,727.26 and 170,332.88 is: 235,063.75
Step by Step Solution
- Step 1: Write the proportion equation
313,564.64 : 432,727.26 = 170,332.88 : x - Step 2: Convert to fraction form
313,564.64/432,727.26 = 170,332.88/x - Step 3: Cross multiply
313,564.64x = 432,727.26 × 170,332.88 - Step 4: Simplify right side
313,564.64x = 73,707,680,893.38 - Step 5: Solve for x
x = 73,707,680,893.38/313,564.64 - Step 6: Final answer
x = 235,063.75
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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.