Finding the Fourth Proportional to 486,395.08, 730,699.80 and 351,874.12
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Solution
The fourth proportional to 486,395.08, 730,699.80 and 351,874.12 is: 528,612.15
Step by Step Solution
- Step 1: Write the proportion equation
486,395.08 : 730,699.80 = 351,874.12 : x - Step 2: Convert to fraction form
486,395.08/730,699.80 = 351,874.12/x - Step 3: Cross multiply
486,395.08x = 730,699.80 × 351,874.12 - Step 4: Simplify right side
486,395.08x = 257,114,349,109.18 - Step 5: Solve for x
x = 257,114,349,109.18/486,395.08 - Step 6: Final answer
x = 528,612.15
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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.