Finding the Fourth Proportional to 270,774.97, 373,708.80 and 156,031.28
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Solution
The fourth proportional to 270,774.97, 373,708.80 and 156,031.28 is: 215,345.84
Step by Step Solution
- Step 1: Write the proportion equation
270,774.97 : 373,708.80 = 156,031.28 : x - Step 2: Convert to fraction form
270,774.97/373,708.80 = 156,031.28/x - Step 3: Cross multiply
270,774.97x = 373,708.80 × 156,031.28 - Step 4: Simplify right side
270,774.97x = 58,310,262,411.26 - Step 5: Solve for x
x = 58,310,262,411.26/270,774.97 - Step 6: Final answer
x = 215,345.84
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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.