Finding the Fourth Proportional to 366,948.70, 549,766.95 and 314,460.70
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Solution
The fourth proportional to 366,948.70, 549,766.95 and 314,460.70 is: 471,128.80
Step by Step Solution
- Step 1: Write the proportion equation
366,948.70 : 549,766.95 = 314,460.70 : x - Step 2: Convert to fraction form
366,948.70/549,766.95 = 314,460.70/x - Step 3: Cross multiply
366,948.70x = 549,766.95 × 314,460.70 - Step 4: Simplify right side
366,948.70x = 172,880,099,933.87 - Step 5: Solve for x
x = 172,880,099,933.87/366,948.70 - Step 6: Final answer
x = 471,128.80
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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.