Finding the Fourth Proportional to 613,420.70, 919,987.98 and 234,202.19
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Solution
The fourth proportional to 613,420.70, 919,987.98 and 234,202.19 is: 351,248.66
Step by Step Solution
- Step 1: Write the proportion equation
613,420.70 : 919,987.98 = 234,202.19 : x - Step 2: Convert to fraction form
613,420.70/919,987.98 = 234,202.19/x - Step 3: Cross multiply
613,420.70x = 919,987.98 × 234,202.19 - Step 4: Simplify right side
613,420.70x = 215,463,194,211.48 - Step 5: Solve for x
x = 215,463,194,211.48/613,420.70 - Step 6: Final answer
x = 351,248.66
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1.5x scale
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.