Finding the Fourth Proportional to 418,772.19, 628,161.98 and 119,252.52
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Solution
The fourth proportional to 418,772.19, 628,161.98 and 119,252.52 is: 178,879.83
Step by Step Solution
- Step 1: Write the proportion equation
418,772.19 : 628,161.98 = 119,252.52 : x - Step 2: Convert to fraction form
418,772.19/628,161.98 = 119,252.52/x - Step 3: Cross multiply
418,772.19x = 628,161.98 × 119,252.52 - Step 4: Simplify right side
418,772.19x = 74,909,898,486.93 - Step 5: Solve for x
x = 74,909,898,486.93/418,772.19 - Step 6: Final answer
x = 178,879.83
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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.