Finding the Fourth Proportional to 432,518.19, 648,295.61 and 179,657.79
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Solution
The fourth proportional to 432,518.19, 648,295.61 and 179,657.79 is: 269,286.61
Step by Step Solution
- Step 1: Write the proportion equation
432,518.19 : 648,295.61 = 179,657.79 : x - Step 2: Convert to fraction form
432,518.19/648,295.61 = 179,657.79/x - Step 3: Cross multiply
432,518.19x = 648,295.61 × 179,657.79 - Step 4: Simplify right side
432,518.19x = 116,471,355,661.01 - Step 5: Solve for x
x = 116,471,355,661.01/432,518.19 - Step 6: Final answer
x = 269,286.61
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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.