Finding the Fourth Proportional to 256,854.08, 354,496.24 and 147,937.48
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Solution
The fourth proportional to 256,854.08, 354,496.24 and 147,937.48 is: 204,175.38
Step by Step Solution
- Step 1: Write the proportion equation
256,854.08 : 354,496.24 = 147,937.48 : x - Step 2: Convert to fraction form
256,854.08/354,496.24 = 147,937.48/x - Step 3: Cross multiply
256,854.08x = 354,496.24 × 147,937.48 - Step 4: Simplify right side
256,854.08x = 52,443,280,561.63 - Step 5: Solve for x
x = 52,443,280,561.63/256,854.08 - Step 6: Final answer
x = 204,175.38
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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.