Finding the Fourth Proportional to 224,720.70, 336,643.65 and 135,709.80
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Solution
The fourth proportional to 224,720.70, 336,643.65 and 135,709.80 is: 203,300.55
Step by Step Solution
- Step 1: Write the proportion equation
224,720.70 : 336,643.65 = 135,709.80 : x - Step 2: Convert to fraction form
224,720.70/336,643.65 = 135,709.80/x - Step 3: Cross multiply
224,720.70x = 336,643.65 × 135,709.80 - Step 4: Simplify right side
224,720.70x = 45,685,842,412.77 - Step 5: Solve for x
x = 45,685,842,412.77/224,720.70 - Step 6: Final answer
x = 203,300.55
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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.