Finding the Fourth Proportional to 341,430.76, 471,130.98 and 190,534.12
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Solution
The fourth proportional to 341,430.76, 471,130.98 and 190,534.12 is: 262,912.83
Step by Step Solution
- Step 1: Write the proportion equation
341,430.76 : 471,130.98 = 190,534.12 : x - Step 2: Convert to fraction form
341,430.76/471,130.98 = 190,534.12/x - Step 3: Cross multiply
341,430.76x = 471,130.98 × 190,534.12 - Step 4: Simplify right side
341,430.76x = 89,766,526,679.04 - Step 5: Solve for x
x = 89,766,526,679.04/341,430.76 - Step 6: Final answer
x = 262,912.83
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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.