Finding the Fourth Proportional to 313,901.34, 433,174.95 and 170,658.06
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Solution
The fourth proportional to 313,901.34, 433,174.95 and 170,658.06 is: 235,503.28
Step by Step Solution
- Step 1: Write the proportion equation
313,901.34 : 433,174.95 = 170,658.06 : x - Step 2: Convert to fraction form
313,901.34/433,174.95 = 170,658.06/x - Step 3: Cross multiply
313,901.34x = 433,174.95 × 170,658.06 - Step 4: Simplify right side
313,901.34x = 73,924,796,607.60 - Step 5: Solve for x
x = 73,924,796,607.60/313,901.34 - Step 6: Final answer
x = 235,503.28
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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.