Finding the Fourth Proportional to 134,130.48, 201,226.86 and 39,356.82
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Solution
The fourth proportional to 134,130.48, 201,226.86 and 39,356.82 is: 59,044.37
Step by Step Solution
- Step 1: Write the proportion equation
134,130.48 : 201,226.86 = 39,356.82 : x - Step 2: Convert to fraction form
134,130.48/201,226.86 = 39,356.82/x - Step 3: Cross multiply
134,130.48x = 201,226.86 × 39,356.82 - Step 4: Simplify right side
134,130.48x = 7,919,649,308.19 - Step 5: Solve for x
x = 7,919,649,308.19/134,130.48 - Step 6: Final answer
x = 59,044.37
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1.5x scale
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.