Finding the Fourth Proportional to 351,486.90, 527,230.35 and 85,246.99
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Solution
The fourth proportional to 351,486.90, 527,230.35 and 85,246.99 is: 127,870.49
Step by Step Solution
- Step 1: Write the proportion equation
351,486.90 : 527,230.35 = 85,246.99 : x - Step 2: Convert to fraction form
351,486.90/527,230.35 = 85,246.99/x - Step 3: Cross multiply
351,486.90x = 527,230.35 × 85,246.99 - Step 4: Simplify right side
351,486.90x = 44,944,800,374.15 - Step 5: Solve for x
x = 44,944,800,374.15/351,486.90 - Step 6: Final answer
x = 127,870.49
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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.