Finding the Fourth Proportional to 292,847.16, 403,915.50 and 185,434.68
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Solution
The fourth proportional to 292,847.16, 403,915.50 and 185,434.68 is: 255,764.62
Step by Step Solution
- Step 1: Write the proportion equation
292,847.16 : 403,915.50 = 185,434.68 : x - Step 2: Convert to fraction form
292,847.16/403,915.50 = 185,434.68/x - Step 3: Cross multiply
292,847.16x = 403,915.50 × 185,434.68 - Step 4: Simplify right side
292,847.16x = 74,899,941,489.54 - Step 5: Solve for x
x = 74,899,941,489.54/292,847.16 - Step 6: Final answer
x = 255,764.62
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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.