Finding the Fourth Proportional to 499,876.70, 689,829.09 and 270,433.23
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Solution
The fourth proportional to 499,876.70, 689,829.09 and 270,433.23 is: 373,197.45
Step by Step Solution
- Step 1: Write the proportion equation
499,876.70 : 689,829.09 = 270,433.23 : x - Step 2: Convert to fraction form
499,876.70/689,829.09 = 270,433.23/x - Step 3: Cross multiply
499,876.70x = 689,829.09 × 270,433.23 - Step 4: Simplify right side
499,876.70x = 186,552,708,859.71 - Step 5: Solve for x
x = 186,552,708,859.71/499,876.70 - Step 6: Final answer
x = 373,197.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.