Finding the Fourth Proportional to 518,983.70, 778,202.99 and 234,429.08
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Solution
The fourth proportional to 518,983.70, 778,202.99 and 234,429.08 is: 351,520.50
Step by Step Solution
- Step 1: Write the proportion equation
518,983.70 : 778,202.99 = 234,429.08 : x - Step 2: Convert to fraction form
518,983.70/778,202.99 = 234,429.08/x - Step 3: Cross multiply
518,983.70x = 778,202.99 × 234,429.08 - Step 4: Simplify right side
518,983.70x = 182,433,409,826.80 - Step 5: Solve for x
x = 182,433,409,826.80/518,983.70 - Step 6: Final answer
x = 351,520.50
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Similar ratio
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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.