Finding the Fourth Proportional to 805,128.80, 1,207,692.38 and 206,089.00
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Solution
The fourth proportional to 805,128.80, 1,207,692.38 and 206,089.00 is: 309,133.29
Step by Step Solution
- Step 1: Write the proportion equation
805,128.80 : 1,207,692.38 = 206,089.00 : x - Step 2: Convert to fraction form
805,128.80/1,207,692.38 = 206,089.00/x - Step 3: Cross multiply
805,128.80x = 1,207,692.38 × 206,089.00 - Step 4: Simplify right side
805,128.80x = 248,892,112,397.81 - Step 5: Solve for x
x = 248,892,112,397.81/805,128.80 - Step 6: Final answer
x = 309,133.29
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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.