Finding the Fourth Proportional to 145,929.06, 201,367.35 and 107,709.48
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Solution
The fourth proportional to 145,929.06, 201,367.35 and 107,709.48 is: 148,628.19
Step by Step Solution
- Step 1: Write the proportion equation
145,929.06 : 201,367.35 = 107,709.48 : x - Step 2: Convert to fraction form
145,929.06/201,367.35 = 107,709.48/x - Step 3: Cross multiply
145,929.06x = 201,367.35 × 107,709.48 - Step 4: Simplify right side
145,929.06x = 21,689,172,557.48 - Step 5: Solve for x
x = 21,689,172,557.48/145,929.06 - Step 6: Final answer
x = 148,628.19
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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.