Finding the Fourth Proportional to 448,594.97, 619,157.12 and 257,713.61
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Solution
The fourth proportional to 448,594.97, 619,157.12 and 257,713.61 is: 355,699.96
Step by Step Solution
- Step 1: Write the proportion equation
448,594.97 : 619,157.12 = 257,713.61 : x - Step 2: Convert to fraction form
448,594.97/619,157.12 = 257,713.61/x - Step 3: Cross multiply
448,594.97x = 619,157.12 × 257,713.61 - Step 4: Simplify right side
448,594.97x = 159,565,212,168.05 - Step 5: Solve for x
x = 159,565,212,168.05/448,594.97 - Step 6: Final answer
x = 355,699.96
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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.