Finding the Fourth Proportional to 340,409.84, 510,930.36 and 172,048.66
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Solution
The fourth proportional to 340,409.84, 510,930.36 and 172,048.66 is: 258,232.49
Step by Step Solution
- Step 1: Write the proportion equation
340,409.84 : 510,930.36 = 172,048.66 : x - Step 2: Convert to fraction form
340,409.84/510,930.36 = 172,048.66/x - Step 3: Cross multiply
340,409.84x = 510,930.36 × 172,048.66 - Step 4: Simplify right side
340,409.84x = 87,904,880,376.42 - Step 5: Solve for x
x = 87,904,880,376.42/340,409.84 - Step 6: Final answer
x = 258,232.49
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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.