Finding the Fourth Proportional to 431,602.21, 595,643.52 and 250,312.67
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Solution
The fourth proportional to 431,602.21, 595,643.52 and 250,312.67 is: 345,450.32
Step by Step Solution
- Step 1: Write the proportion equation
431,602.21 : 595,643.52 = 250,312.67 : x - Step 2: Convert to fraction form
431,602.21/595,643.52 = 250,312.67/x - Step 3: Cross multiply
431,602.21x = 595,643.52 × 250,312.67 - Step 4: Simplify right side
431,602.21x = 149,097,119,859.40 - Step 5: Solve for x
x = 149,097,119,859.40/431,602.21 - Step 6: Final answer
x = 345,450.32
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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.