Finding the Fourth Proportional to 270,031.47, 372,638.07 and 149,171.63
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Solution
The fourth proportional to 270,031.47, 372,638.07 and 149,171.63 is: 205,853.88
Step by Step Solution
- Step 1: Write the proportion equation
270,031.47 : 372,638.07 = 149,171.63 : x - Step 2: Convert to fraction form
270,031.47/372,638.07 = 149,171.63/x - Step 3: Cross multiply
270,031.47x = 372,638.07 × 149,171.63 - Step 4: Simplify right side
270,031.47x = 55,587,026,438.76 - Step 5: Solve for x
x = 55,587,026,438.76/270,031.47 - Step 6: Final answer
x = 205,853.88
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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.