Finding the Fourth Proportional to 340,617.30, 509,941.80 and 330,775.80
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Solution
The fourth proportional to 340,617.30, 509,941.80 and 330,775.80 is: 495,207.99
Step by Step Solution
- Step 1: Write the proportion equation
340,617.30 : 509,941.80 = 330,775.80 : x - Step 2: Convert to fraction form
340,617.30/509,941.80 = 330,775.80/x - Step 3: Cross multiply
340,617.30x = 509,941.80 × 330,775.80 - Step 4: Simplify right side
340,617.30x = 168,676,406,848.44 - Step 5: Solve for x
x = 168,676,406,848.44/340,617.30 - Step 6: Final answer
x = 495,207.99
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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.