Finding the Fourth Proportional to 307,320.84, 460,874.64 and 107,636.80
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Solution
The fourth proportional to 307,320.84, 460,874.64 and 107,636.80 is: 161,417.86
Step by Step Solution
- Step 1: Write the proportion equation
307,320.84 : 460,874.64 = 107,636.80 : x - Step 2: Convert to fraction form
307,320.84/460,874.64 = 107,636.80/x - Step 3: Cross multiply
307,320.84x = 460,874.64 × 107,636.80 - Step 4: Simplify right side
307,320.84x = 49,607,071,450.75 - Step 5: Solve for x
x = 49,607,071,450.75/307,320.84 - Step 6: Final answer
x = 161,417.86
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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.