Finding the Fourth Proportional to 499,356.70, 749,035.05 and 331,395.10
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Solution
The fourth proportional to 499,356.70, 749,035.05 and 331,395.10 is: 497,092.65
Step by Step Solution
- Step 1: Write the proportion equation
499,356.70 : 749,035.05 = 331,395.10 : x - Step 2: Convert to fraction form
499,356.70/749,035.05 = 331,395.10/x - Step 3: Cross multiply
499,356.70x = 749,035.05 × 331,395.10 - Step 4: Simplify right side
499,356.70x = 248,226,545,298.26 - Step 5: Solve for x
x = 248,226,545,298.26/499,356.70 - Step 6: Final answer
x = 497,092.65
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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.