Finding the Fourth Proportional to 470,598.12, 649,424.84 and 255,737.70
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Solution
The fourth proportional to 470,598.12, 649,424.84 and 255,737.70 is: 352,917.72
Step by Step Solution
- Step 1: Write the proportion equation
470,598.12 : 649,424.84 = 255,737.70 : x - Step 2: Convert to fraction form
470,598.12/649,424.84 = 255,737.70/x - Step 3: Cross multiply
470,598.12x = 649,424.84 × 255,737.70 - Step 4: Simplify right side
470,598.12x = 166,082,414,904.47 - Step 5: Solve for x
x = 166,082,414,904.47/470,598.12 - Step 6: Final answer
x = 352,917.72
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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.