Finding the Fourth Proportional to 414,092.70, 621,139.05 and 236,617.65
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Solution
The fourth proportional to 414,092.70, 621,139.05 and 236,617.65 is: 354,926.48
Step by Step Solution
- Step 1: Write the proportion equation
414,092.70 : 621,139.05 = 236,617.65 : x - Step 2: Convert to fraction form
414,092.70/621,139.05 = 236,617.65/x - Step 3: Cross multiply
414,092.70x = 621,139.05 × 236,617.65 - Step 4: Simplify right side
414,092.70x = 146,972,462,334.23 - Step 5: Solve for x
x = 146,972,462,334.23/414,092.70 - Step 6: Final answer
x = 354,926.48
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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.