Finding the Fourth Proportional to 236,948.76, 326,998.08 and 129,526.08
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Solution
The fourth proportional to 236,948.76, 326,998.08 and 129,526.08 is: 178,750.80
Step by Step Solution
- Step 1: Write the proportion equation
236,948.76 : 326,998.08 = 129,526.08 : x - Step 2: Convert to fraction form
236,948.76/326,998.08 = 129,526.08/x - Step 3: Cross multiply
236,948.76x = 326,998.08 × 129,526.08 - Step 4: Simplify right side
236,948.76x = 42,354,779,469.93 - Step 5: Solve for x
x = 42,354,779,469.93/236,948.76 - Step 6: Final answer
x = 178,750.80
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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.