Finding the Fourth Proportional to 340,908.70, 511,363.05 and 246,430.30
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Solution
The fourth proportional to 340,908.70, 511,363.05 and 246,430.30 is: 369,645.45
Step by Step Solution
- Step 1: Write the proportion equation
340,908.70 : 511,363.05 = 246,430.30 : x - Step 2: Convert to fraction form
340,908.70/511,363.05 = 246,430.30/x - Step 3: Cross multiply
340,908.70x = 511,363.05 × 246,430.30 - Step 4: Simplify right side
340,908.70x = 126,015,349,820.42 - Step 5: Solve for x
x = 126,015,349,820.42/340,908.70 - Step 6: Final answer
x = 369,645.45
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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.