Finding the Fourth Proportional to 421,848.29, 632,642.04 and 122,350.88
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Solution
The fourth proportional to 421,848.29, 632,642.04 and 122,350.88 is: 183,488.50
Step by Step Solution
- Step 1: Write the proportion equation
421,848.29 : 632,642.04 = 122,350.88 : x - Step 2: Convert to fraction form
421,848.29/632,642.04 = 122,350.88/x - Step 3: Cross multiply
421,848.29x = 632,642.04 × 122,350.88 - Step 4: Simplify right side
421,848.29x = 77,404,307,155.79 - Step 5: Solve for x
x = 77,404,307,155.79/421,848.29 - Step 6: Final answer
x = 183,488.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.