Finding the Fourth Proportional to 307,585.70, 460,860.15 and 149,473.70
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Solution
The fourth proportional to 307,585.70, 460,860.15 and 149,473.70 is: 223,958.63
Step by Step Solution
- Step 1: Write the proportion equation
307,585.70 : 460,860.15 = 149,473.70 : x - Step 2: Convert to fraction form
307,585.70/460,860.15 = 149,473.70/x - Step 3: Cross multiply
307,585.70x = 460,860.15 × 149,473.70 - Step 4: Simplify right side
307,585.70x = 68,886,471,803.06 - Step 5: Solve for x
x = 68,886,471,803.06/307,585.70 - Step 6: Final answer
x = 223,958.63
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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.