Finding the Fourth Proportional to 487,140.08, 731,165.74 and 247,425.44
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Solution
The fourth proportional to 487,140.08, 731,165.74 and 247,425.44 is: 371,369.57
Step by Step Solution
- Step 1: Write the proportion equation
487,140.08 : 731,165.74 = 247,425.44 : x - Step 2: Convert to fraction form
487,140.08/731,165.74 = 247,425.44/x - Step 3: Cross multiply
487,140.08x = 731,165.74 × 247,425.44 - Step 4: Simplify right side
487,140.08x = 180,909,000,658.03 - Step 5: Solve for x
x = 180,909,000,658.03/487,140.08 - Step 6: Final answer
x = 371,369.57
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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.