Finding the Fourth Proportional to 499,358.60, 689,117.99 and 269,915.42
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Solution
The fourth proportional to 499,358.60, 689,117.99 and 269,915.42 is: 372,484.96
Step by Step Solution
- Step 1: Write the proportion equation
499,358.60 : 689,117.99 = 269,915.42 : x - Step 2: Convert to fraction form
499,358.60/689,117.99 = 269,915.42/x - Step 3: Cross multiply
499,358.60x = 689,117.99 × 269,915.42 - Step 4: Simplify right side
499,358.60x = 186,003,566,905.24 - Step 5: Solve for x
x = 186,003,566,905.24/499,358.60 - Step 6: Final answer
x = 372,484.96
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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.