Finding the Fourth Proportional to 548,984.83, 757,426.35 and 307,228.99
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Solution
The fourth proportional to 548,984.83, 757,426.35 and 307,228.99 is: 423,879.35
Step by Step Solution
- Step 1: Write the proportion equation
548,984.83 : 757,426.35 = 307,228.99 : x - Step 2: Convert to fraction form
548,984.83/757,426.35 = 307,228.99/x - Step 3: Cross multiply
548,984.83x = 757,426.35 × 307,228.99 - Step 4: Simplify right side
548,984.83x = 232,703,332,509.89 - Step 5: Solve for x
x = 232,703,332,509.89/548,984.83 - Step 6: Final answer
x = 423,879.35
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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.