Finding the Fourth Proportional to 427,827.98, 590,217.23 and 257,967.74
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Solution
The fourth proportional to 427,827.98, 590,217.23 and 257,967.74 is: 355,883.70
Step by Step Solution
- Step 1: Write the proportion equation
427,827.98 : 590,217.23 = 257,967.74 : x - Step 2: Convert to fraction form
427,827.98/590,217.23 = 257,967.74/x - Step 3: Cross multiply
427,827.98x = 590,217.23 × 257,967.74 - Step 4: Simplify right side
427,827.98x = 152,257,002,625.99 - Step 5: Solve for x
x = 152,257,002,625.99/427,827.98 - Step 6: Final answer
x = 355,883.70
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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.