Finding the Fourth Proportional to 421,539.08, 632,341.62 and 122,024.16
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Solution
The fourth proportional to 421,539.08, 632,341.62 and 122,024.16 is: 183,045.79
Step by Step Solution
- Step 1: Write the proportion equation
421,539.08 : 632,341.62 = 122,024.16 : x - Step 2: Convert to fraction form
421,539.08/632,341.62 = 122,024.16/x - Step 3: Cross multiply
421,539.08x = 632,341.62 × 122,024.16 - Step 4: Simplify right side
421,539.08x = 77,160,955,013.54 - Step 5: Solve for x
x = 77,160,955,013.54/421,539.08 - Step 6: Final answer
x = 183,045.79
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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.