Finding the Fourth Proportional to 461,719.80, 692,612.10 and 262,135.80
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Solution
The fourth proportional to 461,719.80, 692,612.10 and 262,135.80 is: 393,222.09
Step by Step Solution
- Step 1: Write the proportion equation
461,719.80 : 692,612.10 = 262,135.80 : x - Step 2: Convert to fraction form
461,719.80/692,612.10 = 262,135.80/x - Step 3: Cross multiply
461,719.80x = 692,612.10 × 262,135.80 - Step 4: Simplify right side
461,719.80x = 181,558,426,923.18 - Step 5: Solve for x
x = 181,558,426,923.18/461,719.80 - Step 6: Final answer
x = 393,222.09
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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.