Finding the Fourth Proportional to 377,652.99, 521,167.76 and 205,575.90
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Solution
The fourth proportional to 377,652.99, 521,167.76 and 205,575.90 is: 283,698.35
Step by Step Solution
- Step 1: Write the proportion equation
377,652.99 : 521,167.76 = 205,575.90 : x - Step 2: Convert to fraction form
377,652.99/521,167.76 = 205,575.90/x - Step 3: Cross multiply
377,652.99x = 521,167.76 × 205,575.90 - Step 4: Simplify right side
377,652.99x = 107,139,531,312.98 - Step 5: Solve for x
x = 107,139,531,312.98/377,652.99 - Step 6: Final answer
x = 283,698.35
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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.