Finding the Fourth Proportional to 340,737.80, 511,343.85 and 141,059.23
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Solution
The fourth proportional to 340,737.80, 511,343.85 and 141,059.23 is: 211,687.02
Step by Step Solution
- Step 1: Write the proportion equation
340,737.80 : 511,343.85 = 141,059.23 : x - Step 2: Convert to fraction form
340,737.80/511,343.85 = 141,059.23/x - Step 3: Cross multiply
340,737.80x = 511,343.85 × 141,059.23 - Step 4: Simplify right side
340,737.80x = 72,129,769,746.24 - Step 5: Solve for x
x = 72,129,769,746.24/340,737.80 - Step 6: Final answer
x = 211,687.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.