Finding the Fourth Proportional to 611,113.03, 843,319.77 and 339,173.90
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Solution
The fourth proportional to 611,113.03, 843,319.77 and 339,173.90 is: 468,050.99
Step by Step Solution
- Step 1: Write the proportion equation
611,113.03 : 843,319.77 = 339,173.90 : x - Step 2: Convert to fraction form
611,113.03/843,319.77 = 339,173.90/x - Step 3: Cross multiply
611,113.03x = 843,319.77 × 339,173.90 - Step 4: Simplify right side
611,113.03x = 286,032,056,174.40 - Step 5: Solve for x
x = 286,032,056,174.40/611,113.03 - Step 6: Final answer
x = 468,050.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.