Finding the Fourth Proportional to 506,469.12, 759,423.21 and 207,159.87
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Solution
The fourth proportional to 506,469.12, 759,423.21 and 207,159.87 is: 310,625.09
Step by Step Solution
- Step 1: Write the proportion equation
506,469.12 : 759,423.21 = 207,159.87 : x - Step 2: Convert to fraction form
506,469.12/759,423.21 = 207,159.87/x - Step 3: Cross multiply
506,469.12x = 759,423.21 × 207,159.87 - Step 4: Simplify right side
506,469.12x = 157,322,013,458.58 - Step 5: Solve for x
x = 157,322,013,458.58/506,469.12 - Step 6: Final answer
x = 310,625.09
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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.