Finding the Fourth Proportional to 207,417.03, 286,217.04 and 115,529.28
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Solution
The fourth proportional to 207,417.03, 286,217.04 and 115,529.28 is: 159,420.12
Step by Step Solution
- Step 1: Write the proportion equation
207,417.03 : 286,217.04 = 115,529.28 : x - Step 2: Convert to fraction form
207,417.03/286,217.04 = 115,529.28/x - Step 3: Cross multiply
207,417.03x = 286,217.04 × 115,529.28 - Step 4: Simplify right side
207,417.03x = 33,066,448,554.93 - Step 5: Solve for x
x = 33,066,448,554.93/207,417.03 - Step 6: Final answer
x = 159,420.12
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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.