Finding the Fourth Proportional to 318,159.21, 477,238.95 and 93,519.66
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Solution
The fourth proportional to 318,159.21, 477,238.95 and 93,519.66 is: 140,279.53
Step by Step Solution
- Step 1: Write the proportion equation
318,159.21 : 477,238.95 = 93,519.66 : x - Step 2: Convert to fraction form
318,159.21/477,238.95 = 93,519.66/x - Step 3: Cross multiply
318,159.21x = 477,238.95 × 93,519.66 - Step 4: Simplify right side
318,159.21x = 44,631,224,342.76 - Step 5: Solve for x
x = 44,631,224,342.76/318,159.21 - Step 6: Final answer
x = 140,279.53
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1.5x scale
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.