Finding the Fourth Proportional to 489,909.24, 734,674.93 and 190,350.38
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Solution
The fourth proportional to 489,909.24, 734,674.93 and 190,350.38 is: 285,452.17
Step by Step Solution
- Step 1: Write the proportion equation
489,909.24 : 734,674.93 = 190,350.38 : x - Step 2: Convert to fraction form
489,909.24/734,674.93 = 190,350.38/x - Step 3: Cross multiply
489,909.24x = 734,674.93 × 190,350.38 - Step 4: Simplify right side
489,909.24x = 139,845,653,462.79 - Step 5: Solve for x
x = 139,845,653,462.79/489,909.24 - Step 6: Final answer
x = 285,452.17
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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.