Finding the Fourth Proportional to 355,578.93, 533,327.34 and 89,319.18
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Solution
The fourth proportional to 355,578.93, 533,327.34 and 89,319.18 is: 133,968.46
Step by Step Solution
- Step 1: Write the proportion equation
355,578.93 : 533,327.34 = 89,319.18 : x - Step 2: Convert to fraction form
355,578.93/533,327.34 = 89,319.18/x - Step 3: Cross multiply
355,578.93x = 533,327.34 × 89,319.18 - Step 4: Simplify right side
355,578.93x = 47,636,360,680.38 - Step 5: Solve for x
x = 47,636,360,680.38/355,578.93 - Step 6: Final answer
x = 133,968.46
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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.