Finding the Fourth Proportional to 253,407.13, 379,807.34 and 118,289.41
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Solution
The fourth proportional to 253,407.13, 379,807.34 and 118,289.41 is: 177,292.50
Step by Step Solution
- Step 1: Write the proportion equation
253,407.13 : 379,807.34 = 118,289.41 : x - Step 2: Convert to fraction form
253,407.13/379,807.34 = 118,289.41/x - Step 3: Cross multiply
253,407.13x = 379,807.34 × 118,289.41 - Step 4: Simplify right side
253,407.13x = 44,927,183,671.79 - Step 5: Solve for x
x = 44,927,183,671.79/253,407.13 - Step 6: Final answer
x = 177,292.50
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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.