Finding the Fourth Proportional to 555,978.08, 833,651.12 and 218,835.99
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Solution
The fourth proportional to 555,978.08, 833,651.12 and 218,835.99 is: 328,129.61
Step by Step Solution
- Step 1: Write the proportion equation
555,978.08 : 833,651.12 = 218,835.99 : x - Step 2: Convert to fraction form
555,978.08/833,651.12 = 218,835.99/x - Step 3: Cross multiply
555,978.08x = 833,651.12 × 218,835.99 - Step 4: Simplify right side
555,978.08x = 182,432,867,065.63 - Step 5: Solve for x
x = 182,432,867,065.63/555,978.08 - Step 6: Final answer
x = 328,129.61
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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.