Finding the Fourth Proportional to 260,202.96, 390,035.94 and 126,918.48
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Solution
The fourth proportional to 260,202.96, 390,035.94 and 126,918.48 is: 190,246.75
Step by Step Solution
- Step 1: Write the proportion equation
260,202.96 : 390,035.94 = 126,918.48 : x - Step 2: Convert to fraction form
260,202.96/390,035.94 = 126,918.48/x - Step 3: Cross multiply
260,202.96x = 390,035.94 × 126,918.48 - Step 4: Simplify right side
260,202.96x = 49,502,768,650.17 - Step 5: Solve for x
x = 49,502,768,650.17/260,202.96 - Step 6: Final answer
x = 190,246.75
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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.