Finding the Fourth Proportional to 345,532.41, 518,301.86 and 338,184.09
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Solution
The fourth proportional to 345,532.41, 518,301.86 and 338,184.09 is: 507,279.31
Step by Step Solution
- Step 1: Write the proportion equation
345,532.41 : 518,301.86 = 338,184.09 : x - Step 2: Convert to fraction form
345,532.41/518,301.86 = 338,184.09/x - Step 3: Cross multiply
345,532.41x = 518,301.86 × 338,184.09 - Step 4: Simplify right side
345,532.41x = 175,281,441,178.49 - Step 5: Solve for x
x = 175,281,441,178.49/345,532.41 - Step 6: Final answer
x = 507,279.31
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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.