Finding the Fourth Proportional to 344,129.18, 474,911.73 and 235,461.43
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Solution
The fourth proportional to 344,129.18, 474,911.73 and 235,461.43 is: 324,945.99
Step by Step Solution
- Step 1: Write the proportion equation
344,129.18 : 474,911.73 = 235,461.43 : x - Step 2: Convert to fraction form
344,129.18/474,911.73 = 235,461.43/x - Step 3: Cross multiply
344,129.18x = 474,911.73 × 235,461.43 - Step 4: Simplify right side
344,129.18x = 111,823,395,663.21 - Step 5: Solve for x
x = 111,823,395,663.21/344,129.18 - Step 6: Final answer
x = 324,945.99
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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.