Finding the Fourth Proportional to 224,117.73, 309,273.42 and 122,140.99
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Solution
The fourth proportional to 224,117.73, 309,273.42 and 122,140.99 is: 168,549.64
Step by Step Solution
- Step 1: Write the proportion equation
224,117.73 : 309,273.42 = 122,140.99 : x - Step 2: Convert to fraction form
224,117.73/309,273.42 = 122,140.99/x - Step 3: Cross multiply
224,117.73x = 309,273.42 × 122,140.99 - Step 4: Simplify right side
224,117.73x = 37,774,960,926.30 - Step 5: Solve for x
x = 37,774,960,926.30/224,117.73 - Step 6: Final answer
x = 168,549.64
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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.