Finding the Fourth Proportional to 499,828.70, 749,735.67 and 120,746.18
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Solution
The fourth proportional to 499,828.70, 749,735.67 and 120,746.18 is: 181,117.49
Step by Step Solution
- Step 1: Write the proportion equation
499,828.70 : 749,735.67 = 120,746.18 : x - Step 2: Convert to fraction form
499,828.70/749,735.67 = 120,746.18/x - Step 3: Cross multiply
499,828.70x = 749,735.67 × 120,746.18 - Step 4: Simplify right side
499,828.70x = 90,527,718,162.24 - Step 5: Solve for x
x = 90,527,718,162.24/499,828.70 - Step 6: Final answer
x = 181,117.49
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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.