Finding the Fourth Proportional to 411,860.29, 568,435.21 and 282,692.65
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Solution
The fourth proportional to 411,860.29, 568,435.21 and 282,692.65 is: 390,162.54
Step by Step Solution
- Step 1: Write the proportion equation
411,860.29 : 568,435.21 = 282,692.65 : x - Step 2: Convert to fraction form
411,860.29/568,435.21 = 282,692.65/x - Step 3: Cross multiply
411,860.29x = 568,435.21 × 282,692.65 - Step 4: Simplify right side
411,860.29x = 160,692,455,868.21 - Step 5: Solve for x
x = 160,692,455,868.21/411,860.29 - Step 6: Final answer
x = 390,162.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.