Finding the Fourth Proportional to 543,462.34, 750,084.42 and 347,102.68
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Solution
The fourth proportional to 543,462.34, 750,084.42 and 347,102.68 is: 479,069.65
Step by Step Solution
- Step 1: Write the proportion equation
543,462.34 : 750,084.42 = 347,102.68 : x - Step 2: Convert to fraction form
543,462.34/750,084.42 = 347,102.68/x - Step 3: Cross multiply
543,462.34x = 750,084.42 × 347,102.68 - Step 4: Simplify right side
543,462.34x = 260,356,312,408.25 - Step 5: Solve for x
x = 260,356,312,408.25/543,462.34 - Step 6: Final answer
x = 479,069.65
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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.