Finding the Fourth Proportional to 257,149.12, 354,835.48 and 148,252.26
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Solution
The fourth proportional to 257,149.12, 354,835.48 and 148,252.26 is: 204,570.65
Step by Step Solution
- Step 1: Write the proportion equation
257,149.12 : 354,835.48 = 148,252.26 : x - Step 2: Convert to fraction form
257,149.12/354,835.48 = 148,252.26/x - Step 3: Cross multiply
257,149.12x = 354,835.48 × 148,252.26 - Step 4: Simplify right side
257,149.12x = 52,605,161,838.18 - Step 5: Solve for x
x = 52,605,161,838.18/257,149.12 - Step 6: Final answer
x = 204,570.65
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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.