Finding the Fourth Proportional to 315,118.08, 434,937.60 and 181,059.84
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Solution
The fourth proportional to 315,118.08, 434,937.60 and 181,059.84 is: 249,905.47
Step by Step Solution
- Step 1: Write the proportion equation
315,118.08 : 434,937.60 = 181,059.84 : x - Step 2: Convert to fraction form
315,118.08/434,937.60 = 181,059.84/x - Step 3: Cross multiply
315,118.08x = 434,937.60 × 181,059.84 - Step 4: Simplify right side
315,118.08x = 78,749,732,265.98 - Step 5: Solve for x
x = 78,749,732,265.98/315,118.08 - Step 6: Final answer
x = 249,905.47
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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.