Finding the Fourth Proportional to 611,189.08, 843,351.01 and 339,259.05
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Solution
The fourth proportional to 611,189.08, 843,351.01 and 339,259.05 is: 468,127.58
Step by Step Solution
- Step 1: Write the proportion equation
611,189.08 : 843,351.01 = 339,259.05 : x - Step 2: Convert to fraction form
611,189.08/843,351.01 = 339,259.05/x - Step 3: Cross multiply
611,189.08x = 843,351.01 × 339,259.05 - Step 4: Simplify right side
611,189.08x = 286,114,461,620.99 - Step 5: Solve for x
x = 286,114,461,620.99/611,189.08 - Step 6: Final answer
x = 468,127.58
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1.5x scale
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.