Finding the Fourth Proportional to 162,148.65, 243,260.99 and 55,533.75
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Solution
The fourth proportional to 162,148.65, 243,260.99 and 55,533.75 is: 83,313.64
Step by Step Solution
- Step 1: Write the proportion equation
162,148.65 : 243,260.99 = 55,533.75 : x - Step 2: Convert to fraction form
162,148.65/243,260.99 = 55,533.75/x - Step 3: Cross multiply
162,148.65x = 243,260.99 × 55,533.75 - Step 4: Simplify right side
162,148.65x = 13,509,194,725.74 - Step 5: Solve for x
x = 13,509,194,725.74/162,148.65 - Step 6: Final answer
x = 83,313.64
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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.