Finding the Fourth Proportional to 181,312.09, 250,241.51 and 104,877.65
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Solution
The fourth proportional to 181,312.09, 250,241.51 and 104,877.65 is: 144,748.99
Step by Step Solution
- Step 1: Write the proportion equation
181,312.09 : 250,241.51 = 104,877.65 : x - Step 2: Convert to fraction form
181,312.09/250,241.51 = 104,877.65/x - Step 3: Cross multiply
181,312.09x = 250,241.51 × 104,877.65 - Step 4: Simplify right side
181,312.09x = 26,244,742,389.05 - Step 5: Solve for x
x = 26,244,742,389.05/181,312.09 - Step 6: Final answer
x = 144,748.99
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1.5x scale
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.