Finding the Fourth Proportional to 549,455.91, 758,276.19 and 331,661.13
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Solution
The fourth proportional to 549,455.91, 758,276.19 and 331,661.13 is: 457,708.68
Step by Step Solution
- Step 1: Write the proportion equation
549,455.91 : 758,276.19 = 331,661.13 : x - Step 2: Convert to fraction form
549,455.91/758,276.19 = 331,661.13/x - Step 3: Cross multiply
549,455.91x = 758,276.19 × 331,661.13 - Step 4: Simplify right side
549,455.91x = 251,490,740,382.06 - Step 5: Solve for x
x = 251,490,740,382.06/549,455.91 - Step 6: Final answer
x = 457,708.68
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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.