Finding the Fourth Proportional to 608,529.90, 912,794.85 and 209,135.10
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Solution
The fourth proportional to 608,529.90, 912,794.85 and 209,135.10 is: 313,702.65
Step by Step Solution
- Step 1: Write the proportion equation
608,529.90 : 912,794.85 = 209,135.10 : x - Step 2: Convert to fraction form
608,529.90/912,794.85 = 209,135.10/x - Step 3: Cross multiply
608,529.90x = 912,794.85 × 209,135.10 - Step 4: Simplify right side
608,529.90x = 190,897,442,234.24 - Step 5: Solve for x
x = 190,897,442,234.24/608,529.90 - Step 6: Final answer
x = 313,702.65
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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.