Finding the Fourth Proportional to 317,237.54, 437,892.49 and 283,607.29
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Solution
The fourth proportional to 317,237.54, 437,892.49 and 283,607.29 is: 391,471.65
Step by Step Solution
- Step 1: Write the proportion equation
317,237.54 : 437,892.49 = 283,607.29 : x - Step 2: Convert to fraction form
317,237.54/437,892.49 = 283,607.29/x - Step 3: Cross multiply
317,237.54x = 437,892.49 × 283,607.29 - Step 4: Simplify right side
317,237.54x = 124,189,502,400.25 - Step 5: Solve for x
x = 124,189,502,400.25/317,237.54 - Step 6: Final answer
x = 391,471.65
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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.