Finding the Fourth Proportional to 451,089.16, 676,371.36 and 170,628.28
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Solution
The fourth proportional to 451,089.16, 676,371.36 and 170,628.28 is: 255,843.17
Step by Step Solution
- Step 1: Write the proportion equation
451,089.16 : 676,371.36 = 170,628.28 : x - Step 2: Convert to fraction form
451,089.16/676,371.36 = 170,628.28/x - Step 3: Cross multiply
451,089.16x = 676,371.36 × 170,628.28 - Step 4: Simplify right side
451,089.16x = 115,408,081,798.06 - Step 5: Solve for x
x = 115,408,081,798.06/451,089.16 - Step 6: Final answer
x = 255,843.17
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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.