Finding the Fourth Proportional to 340,497.30, 509,761.80 and 330,655.80
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Solution
The fourth proportional to 340,497.30, 509,761.80 and 330,655.80 is: 495,028.00
Step by Step Solution
- Step 1: Write the proportion equation
340,497.30 : 509,761.80 = 330,655.80 : x - Step 2: Convert to fraction form
340,497.30/509,761.80 = 330,655.80/x - Step 3: Cross multiply
340,497.30x = 509,761.80 × 330,655.80 - Step 4: Simplify right side
340,497.30x = 168,555,695,788.44 - Step 5: Solve for x
x = 168,555,695,788.44/340,497.30 - Step 6: Final answer
x = 495,028.00
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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.