Finding the Fourth Proportional to 162,208.68, 243,312.84 and 118,115.92
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Solution
The fourth proportional to 162,208.68, 243,312.84 and 118,115.92 is: 177,173.75
Step by Step Solution
- Step 1: Write the proportion equation
162,208.68 : 243,312.84 = 118,115.92 : x - Step 2: Convert to fraction form
162,208.68/243,312.84 = 118,115.92/x - Step 3: Cross multiply
162,208.68x = 243,312.84 × 118,115.92 - Step 4: Simplify right side
162,208.68x = 28,739,119,944.41 - Step 5: Solve for x
x = 28,739,119,944.41/162,208.68 - Step 6: Final answer
x = 177,173.75
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1.5x scale
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.