Finding the Fourth Proportional to 461,656.80, 691,318.80 and 303,026.40
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Solution
The fourth proportional to 461,656.80, 691,318.80 and 303,026.40 is: 453,773.99
Step by Step Solution
- Step 1: Write the proportion equation
461,656.80 : 691,318.80 = 303,026.40 : x - Step 2: Convert to fraction form
461,656.80/691,318.80 = 303,026.40/x - Step 3: Cross multiply
461,656.80x = 691,318.80 × 303,026.40 - Step 4: Simplify right side
461,656.80x = 209,487,847,216.32 - Step 5: Solve for x
x = 209,487,847,216.32/461,656.80 - Step 6: Final answer
x = 453,773.99
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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.