Finding the Fourth Proportional to 345,423.51, 518,153.76 and 108,784.62
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Solution
The fourth proportional to 345,423.51, 518,153.76 and 108,784.62 is: 163,182.75
Step by Step Solution
- Step 1: Write the proportion equation
345,423.51 : 518,153.76 = 108,784.62 : x - Step 2: Convert to fraction form
345,423.51/518,153.76 = 108,784.62/x - Step 3: Cross multiply
345,423.51x = 518,153.76 × 108,784.62 - Step 4: Simplify right side
345,423.51x = 56,367,159,883.17 - Step 5: Solve for x
x = 56,367,159,883.17/345,423.51 - Step 6: Final answer
x = 163,182.75
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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.