Finding the Fourth Proportional to 489,899.19, 734,894.99 and 190,402.71
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Solution
The fourth proportional to 489,899.19, 734,894.99 and 190,402.71 is: 285,622.02
Step by Step Solution
- Step 1: Write the proportion equation
489,899.19 : 734,894.99 = 190,402.71 : x - Step 2: Convert to fraction form
489,899.19/734,894.99 = 190,402.71/x - Step 3: Cross multiply
489,899.19x = 734,894.99 × 190,402.71 - Step 4: Simplify right side
489,899.19x = 139,925,997,661.42 - Step 5: Solve for x
x = 139,925,997,661.42/489,899.19 - Step 6: Final answer
x = 285,622.02
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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.