Finding the Fourth Proportional to 224,312.70, 309,473.36 and 143,784.63
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Solution
The fourth proportional to 224,312.70, 309,473.36 and 143,784.63 is: 198,372.68
Step by Step Solution
- Step 1: Write the proportion equation
224,312.70 : 309,473.36 = 143,784.63 : x - Step 2: Convert to fraction form
224,312.70/309,473.36 = 143,784.63/x - Step 3: Cross multiply
224,312.70x = 309,473.36 × 143,784.63 - Step 4: Simplify right side
224,312.70x = 44,497,512,562.46 - Step 5: Solve for x
x = 44,497,512,562.46/224,312.70 - Step 6: Final answer
x = 198,372.68
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1.5x scale
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.