Finding the Fourth Proportional to 445,370.81, 614,655.74 and 254,412.90
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Solution
The fourth proportional to 445,370.81, 614,655.74 and 254,412.90 is: 351,114.95
Step by Step Solution
- Step 1: Write the proportion equation
445,370.81 : 614,655.74 = 254,412.90 : x - Step 2: Convert to fraction form
445,370.81/614,655.74 = 254,412.90/x - Step 3: Cross multiply
445,370.81x = 614,655.74 × 254,412.90 - Step 4: Simplify right side
445,370.81x = 156,376,349,951.08 - Step 5: Solve for x
x = 156,376,349,951.08/445,370.81 - Step 6: Final answer
x = 351,114.95
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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.