Finding the Fourth Proportional to 313,952.68, 470,929.02 and 89,336.44
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Solution
The fourth proportional to 313,952.68, 470,929.02 and 89,336.44 is: 134,004.66
Step by Step Solution
- Step 1: Write the proportion equation
313,952.68 : 470,929.02 = 89,336.44 : x - Step 2: Convert to fraction form
313,952.68/470,929.02 = 89,336.44/x - Step 3: Cross multiply
313,952.68x = 470,929.02 × 89,336.44 - Step 4: Simplify right side
313,952.68x = 42,071,122,139.49 - Step 5: Solve for x
x = 42,071,122,139.49/313,952.68 - Step 6: Final answer
x = 134,004.66
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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.