Finding the Fourth Proportional to 489,750.43, 734,909.27 and 205,415.68
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Solution
The fourth proportional to 489,750.43, 734,909.27 and 205,415.68 is: 308,242.48
Step by Step Solution
- Step 1: Write the proportion equation
489,750.43 : 734,909.27 = 205,415.68 : x - Step 2: Convert to fraction form
489,750.43/734,909.27 = 205,415.68/x - Step 3: Cross multiply
489,750.43x = 734,909.27 × 205,415.68 - Step 4: Simplify right side
489,750.43x = 150,961,887,435.35 - Step 5: Solve for x
x = 150,961,887,435.35/489,750.43 - Step 6: Final answer
x = 308,242.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.