Finding the Fourth Proportional to 265,934.13, 366,989.09 and 152,756.88
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Solution
The fourth proportional to 265,934.13, 366,989.09 and 152,756.88 is: 210,804.49
Step by Step Solution
- Step 1: Write the proportion equation
265,934.13 : 366,989.09 = 152,756.88 : x - Step 2: Convert to fraction form
265,934.13/366,989.09 = 152,756.88/x - Step 3: Cross multiply
265,934.13x = 366,989.09 × 152,756.88 - Step 4: Simplify right side
265,934.13x = 56,060,108,382.44 - Step 5: Solve for x
x = 56,060,108,382.44/265,934.13 - Step 6: Final answer
x = 210,804.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.