Finding the Fourth Proportional to 224,021.80, 336,032.70 and 197,777.80
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Solution
The fourth proportional to 224,021.80, 336,032.70 and 197,777.80 is: 296,666.70
Step by Step Solution
- Step 1: Write the proportion equation
224,021.80 : 336,032.70 = 197,777.80 : x - Step 2: Convert to fraction form
224,021.80/336,032.70 = 197,777.80/x - Step 3: Cross multiply
224,021.80x = 336,032.70 × 197,777.80 - Step 4: Simplify right side
224,021.80x = 66,459,808,134.06 - Step 5: Solve for x
x = 66,459,808,134.06/224,021.80 - Step 6: Final answer
x = 296,666.70
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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.