Finding the Fourth Proportional to 417,178.70, 575,703.14 and 235,926.21
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Solution
The fourth proportional to 417,178.70, 575,703.14 and 235,926.21 is: 325,576.21
Step by Step Solution
- Step 1: Write the proportion equation
417,178.70 : 575,703.14 = 235,926.21 : x - Step 2: Convert to fraction form
417,178.70/575,703.14 = 235,926.21/x - Step 3: Cross multiply
417,178.70x = 575,703.14 × 235,926.21 - Step 4: Simplify right side
417,178.70x = 135,823,458,725.67 - Step 5: Solve for x
x = 135,823,458,725.67/417,178.70 - Step 6: Final answer
x = 325,576.21
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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.