Finding the Fourth Proportional to 452,715.05, 624,710.20 and 261,740.75
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Solution
The fourth proportional to 452,715.05, 624,710.20 and 261,740.75 is: 361,181.09
Step by Step Solution
- Step 1: Write the proportion equation
452,715.05 : 624,710.20 = 261,740.75 : x - Step 2: Convert to fraction form
452,715.05/624,710.20 = 261,740.75/x - Step 3: Cross multiply
452,715.05x = 624,710.20 × 261,740.75 - Step 4: Simplify right side
452,715.05x = 163,512,116,280.65 - Step 5: Solve for x
x = 163,512,116,280.65/452,715.05 - Step 6: Final answer
x = 361,181.09
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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.