Finding the Fourth Proportional to 489,126.01, 675,029.76 and 271,368.93
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Solution
The fourth proportional to 489,126.01, 675,029.76 and 271,368.93 is: 374,509.02
Step by Step Solution
- Step 1: Write the proportion equation
489,126.01 : 675,029.76 = 271,368.93 : x - Step 2: Convert to fraction form
489,126.01/675,029.76 = 271,368.93/x - Step 3: Cross multiply
489,126.01x = 675,029.76 × 271,368.93 - Step 4: Simplify right side
489,126.01x = 183,182,103,689.36 - Step 5: Solve for x
x = 183,182,103,689.36/489,126.01 - Step 6: Final answer
x = 374,509.02
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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.