Finding the Fourth Proportional to 421,663.24, 632,494.91 and 122,143.96
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Solution
The fourth proportional to 421,663.24, 632,494.91 and 122,143.96 is: 183,215.95
Step by Step Solution
- Step 1: Write the proportion equation
421,663.24 : 632,494.91 = 122,143.96 : x - Step 2: Convert to fraction form
421,663.24/632,494.91 = 122,143.96/x - Step 3: Cross multiply
421,663.24x = 632,494.91 × 122,143.96 - Step 4: Simplify right side
421,663.24x = 77,255,432,987.24 - Step 5: Solve for x
x = 77,255,432,987.24/421,663.24 - Step 6: Final answer
x = 183,215.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.