Finding the Fourth Proportional to 516,478.14, 773,050.65 and 266,816.70
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Solution
The fourth proportional to 516,478.14, 773,050.65 and 266,816.70 is: 399,364.09
Step by Step Solution
- Step 1: Write the proportion equation
516,478.14 : 773,050.65 = 266,816.70 : x - Step 2: Convert to fraction form
516,478.14/773,050.65 = 266,816.70/x - Step 3: Cross multiply
516,478.14x = 773,050.65 × 266,816.70 - Step 4: Simplify right side
516,478.14x = 206,262,823,365.86 - Step 5: Solve for x
x = 206,262,823,365.86/516,478.14 - Step 6: Final answer
x = 399,364.09
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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.