Finding the Fourth Proportional to 345,752.18, 518,332.43 and 132,672.99
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Solution
The fourth proportional to 345,752.18, 518,332.43 and 132,672.99 is: 198,895.97
Step by Step Solution
- Step 1: Write the proportion equation
345,752.18 : 518,332.43 = 132,672.99 : x - Step 2: Convert to fraction form
345,752.18/518,332.43 = 132,672.99/x - Step 3: Cross multiply
345,752.18x = 518,332.43 × 132,672.99 - Step 4: Simplify right side
345,752.18x = 68,768,712,638.70 - Step 5: Solve for x
x = 68,768,712,638.70/345,752.18 - Step 6: Final answer
x = 198,895.97
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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.