Finding the Fourth Proportional to 519,818.58, 779,755.68 and 164,860.92
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Solution
The fourth proportional to 519,818.58, 779,755.68 and 164,860.92 is: 247,300.20
Step by Step Solution
- Step 1: Write the proportion equation
519,818.58 : 779,755.68 = 164,860.92 : x - Step 2: Convert to fraction form
519,818.58/779,755.68 = 164,860.92/x - Step 3: Cross multiply
519,818.58x = 779,755.68 × 164,860.92 - Step 4: Simplify right side
519,818.58x = 128,551,238,780.03 - Step 5: Solve for x
x = 128,551,238,780.03/519,818.58 - Step 6: Final answer
x = 247,300.20
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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.