Finding the Fourth Proportional to 518,919.84, 778,137.84 and 269,534.88
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Solution
The fourth proportional to 518,919.84, 778,137.84 and 269,534.88 is: 404,176.66
Step by Step Solution
- Step 1: Write the proportion equation
518,919.84 : 778,137.84 = 269,534.88 : x - Step 2: Convert to fraction form
518,919.84/778,137.84 = 269,534.88/x - Step 3: Cross multiply
518,919.84x = 778,137.84 × 269,534.88 - Step 4: Simplify right side
518,919.84x = 209,735,289,327.86 - Step 5: Solve for x
x = 209,735,289,327.86/518,919.84 - Step 6: Final answer
x = 404,176.66
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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.