Finding the Fourth Proportional to 499,269.42, 688,990.86 and 272,914.92
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Solution
The fourth proportional to 499,269.42, 688,990.86 and 272,914.92 is: 376,622.08
Step by Step Solution
- Step 1: Write the proportion equation
499,269.42 : 688,990.86 = 272,914.92 : x - Step 2: Convert to fraction form
499,269.42/688,990.86 = 272,914.92/x - Step 3: Cross multiply
499,269.42x = 688,990.86 × 272,914.92 - Step 4: Simplify right side
499,269.42x = 188,035,885,437.63 - Step 5: Solve for x
x = 188,035,885,437.63/499,269.42 - Step 6: Final answer
x = 376,622.08
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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.