Finding the Fourth Proportional to 217,862.04, 300,682.99 and 133,028.76
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Solution
The fourth proportional to 217,862.04, 300,682.99 and 133,028.76 is: 183,600.07
Step by Step Solution
- Step 1: Write the proportion equation
217,862.04 : 300,682.99 = 133,028.76 : x - Step 2: Convert to fraction form
217,862.04/300,682.99 = 133,028.76/x - Step 3: Cross multiply
217,862.04x = 300,682.99 × 133,028.76 - Step 4: Simplify right side
217,862.04x = 39,999,483,809.38 - Step 5: Solve for x
x = 39,999,483,809.38/217,862.04 - Step 6: Final answer
x = 183,600.07
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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.