Finding the Fourth Proportional to 380,023.82, 524,424.76 and 207,941.12
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Solution
The fourth proportional to 380,023.82, 524,424.76 and 207,941.12 is: 286,954.31
Step by Step Solution
- Step 1: Write the proportion equation
380,023.82 : 524,424.76 = 207,941.12 : x - Step 2: Convert to fraction form
380,023.82/524,424.76 = 207,941.12/x - Step 3: Cross multiply
380,023.82x = 524,424.76 × 207,941.12 - Step 4: Simplify right side
380,023.82x = 109,049,471,950.13 - Step 5: Solve for x
x = 109,049,471,950.13/380,023.82 - Step 6: Final answer
x = 286,954.31
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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.