Finding the Fourth Proportional to 181,901.70, 272,852.55 and 168,779.70
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Solution
The fourth proportional to 181,901.70, 272,852.55 and 168,779.70 is: 253,169.55
Step by Step Solution
- Step 1: Write the proportion equation
181,901.70 : 272,852.55 = 168,779.70 : x - Step 2: Convert to fraction form
181,901.70/272,852.55 = 168,779.70/x - Step 3: Cross multiply
181,901.70x = 272,852.55 × 168,779.70 - Step 4: Simplify right side
181,901.70x = 46,051,971,533.24 - Step 5: Solve for x
x = 46,051,971,533.24/181,901.70 - Step 6: Final answer
x = 253,169.55
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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.