Finding the Fourth Proportional to 470,348.76, 649,082.52 and 255,487.08
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Solution
The fourth proportional to 470,348.76, 649,082.52 and 255,487.08 is: 352,572.84
Step by Step Solution
- Step 1: Write the proportion equation
470,348.76 : 649,082.52 = 255,487.08 : x - Step 2: Convert to fraction form
470,348.76/649,082.52 = 255,487.08/x - Step 3: Cross multiply
470,348.76x = 649,082.52 × 255,487.08 - Step 4: Simplify right side
470,348.76x = 165,832,197,713.84 - Step 5: Solve for x
x = 165,832,197,713.84/470,348.76 - Step 6: Final answer
x = 352,572.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.