Finding the Fourth Proportional to 438,859.99, 605,622.06 and 242,625.64
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Solution
The fourth proportional to 438,859.99, 605,622.06 and 242,625.64 is: 334,820.76
Step by Step Solution
- Step 1: Write the proportion equation
438,859.99 : 605,622.06 = 242,625.64 : x - Step 2: Convert to fraction form
438,859.99/605,622.06 = 242,625.64/x - Step 3: Cross multiply
438,859.99x = 605,622.06 × 242,625.64 - Step 4: Simplify right side
438,859.99x = 146,939,437,524.25 - Step 5: Solve for x
x = 146,939,437,524.25/438,859.99 - Step 6: Final answer
x = 334,820.76
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1.5x scale
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.