Finding the Fourth Proportional to 134,329.32, 201,486.69 and 40,827.78
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Solution
The fourth proportional to 134,329.32, 201,486.69 and 40,827.78 is: 61,239.45
Step by Step Solution
- Step 1: Write the proportion equation
134,329.32 : 201,486.69 = 40,827.78 : x - Step 2: Convert to fraction form
134,329.32/201,486.69 = 40,827.78/x - Step 3: Cross multiply
134,329.32x = 201,486.69 × 40,827.78 - Step 4: Simplify right side
134,329.32x = 8,226,254,252.25 - Step 5: Solve for x
x = 8,226,254,252.25/134,329.32 - Step 6: Final answer
x = 61,239.45
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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.