Finding the Fourth Proportional to 406,865.41, 610,399.58 and 287,156.18
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Solution
The fourth proportional to 406,865.41, 610,399.58 and 287,156.18 is: 430,805.88
Step by Step Solution
- Step 1: Write the proportion equation
406,865.41 : 610,399.58 = 287,156.18 : x - Step 2: Convert to fraction form
406,865.41/610,399.58 = 287,156.18/x - Step 3: Cross multiply
406,865.41x = 610,399.58 × 287,156.18 - Step 4: Simplify right side
406,865.41x = 175,280,011,756.62 - Step 5: Solve for x
x = 175,280,011,756.62/406,865.41 - Step 6: Final answer
x = 430,805.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.