Finding the Fourth Proportional to 253,316.99, 349,624.40 and 162,786.12
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Solution
The fourth proportional to 253,316.99, 349,624.40 and 162,786.12 is: 224,675.02
Step by Step Solution
- Step 1: Write the proportion equation
253,316.99 : 349,624.40 = 162,786.12 : x - Step 2: Convert to fraction form
253,316.99/349,624.40 = 162,786.12/x - Step 3: Cross multiply
253,316.99x = 349,624.40 × 162,786.12 - Step 4: Simplify right side
253,316.99x = 56,913,998,719.40 - Step 5: Solve for x
x = 56,913,998,719.40/253,316.99 - Step 6: Final answer
x = 224,675.02
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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.