Finding the Fourth Proportional to 261,575.68, 392,305.04 and 121,316.08
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Solution
The fourth proportional to 261,575.68, 392,305.04 and 121,316.08 is: 181,947.00
Step by Step Solution
- Step 1: Write the proportion equation
261,575.68 : 392,305.04 = 121,316.08 : x - Step 2: Convert to fraction form
261,575.68/392,305.04 = 121,316.08/x - Step 3: Cross multiply
261,575.68x = 392,305.04 × 121,316.08 - Step 4: Simplify right side
261,575.68x = 47,592,909,617.04 - Step 5: Solve for x
x = 47,592,909,617.04/261,575.68 - Step 6: Final answer
x = 181,947.00
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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.