Finding the Fourth Proportional to 475,877.84, 656,712.36 and 261,019.67
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Solution
The fourth proportional to 475,877.84, 656,712.36 and 261,019.67 is: 360,207.66
Step by Step Solution
- Step 1: Write the proportion equation
475,877.84 : 656,712.36 = 261,019.67 : x - Step 2: Convert to fraction form
475,877.84/656,712.36 = 261,019.67/x - Step 3: Cross multiply
475,877.84x = 656,712.36 × 261,019.67 - Step 4: Simplify right side
475,877.84x = 171,414,840,208.56 - Step 5: Solve for x
x = 171,414,840,208.56/475,877.84 - Step 6: Final answer
x = 360,207.66
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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.