Finding the Fourth Proportional to 489,848.04, 675,987.62 and 274,988.05
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Solution
The fourth proportional to 489,848.04, 675,987.62 and 274,988.05 is: 379,482.00
Step by Step Solution
- Step 1: Write the proportion equation
489,848.04 : 675,987.62 = 274,988.05 : x - Step 2: Convert to fraction form
489,848.04/675,987.62 = 274,988.05/x - Step 3: Cross multiply
489,848.04x = 675,987.62 × 274,988.05 - Step 4: Simplify right side
489,848.04x = 185,888,514,383.03 - Step 5: Solve for x
x = 185,888,514,383.03/489,848.04 - Step 6: Final answer
x = 379,482.00
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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.