Finding the Fourth Proportional to 376,709.80, 565,986.30 and 283,397.80
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Solution
The fourth proportional to 376,709.80, 565,986.30 and 283,397.80 is: 425,790.02
Step by Step Solution
- Step 1: Write the proportion equation
376,709.80 : 565,986.30 = 283,397.80 : x - Step 2: Convert to fraction form
376,709.80/565,986.30 = 283,397.80/x - Step 3: Cross multiply
376,709.80x = 565,986.30 × 283,397.80 - Step 4: Simplify right side
376,709.80x = 160,399,272,250.14 - Step 5: Solve for x
x = 160,399,272,250.14/376,709.80 - Step 6: Final answer
x = 425,790.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.