Finding the Fourth Proportional to 316,278.77, 436,471.68 and 173,038.77
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Solution
The fourth proportional to 316,278.77, 436,471.68 and 173,038.77 is: 238,797.32
Step by Step Solution
- Step 1: Write the proportion equation
316,278.77 : 436,471.68 = 173,038.77 : x - Step 2: Convert to fraction form
316,278.77/436,471.68 = 173,038.77/x - Step 3: Cross multiply
316,278.77x = 436,471.68 × 173,038.77 - Step 4: Simplify right side
316,278.77x = 75,526,522,647.03 - Step 5: Solve for x
x = 75,526,522,647.03/316,278.77 - Step 6: Final answer
x = 238,797.32
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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.