Finding the Fourth Proportional to 461,175.12, 691,705.44 and 124,242.12
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Solution
The fourth proportional to 461,175.12, 691,705.44 and 124,242.12 is: 186,347.76
Step by Step Solution
- Step 1: Write the proportion equation
461,175.12 : 691,705.44 = 124,242.12 : x - Step 2: Convert to fraction form
461,175.12/691,705.44 = 124,242.12/x - Step 3: Cross multiply
461,175.12x = 691,705.44 × 124,242.12 - Step 4: Simplify right side
461,175.12x = 85,938,950,281.13 - Step 5: Solve for x
x = 85,938,950,281.13/461,175.12 - Step 6: Final answer
x = 186,347.76
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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.