Finding the Fourth Proportional to 432,908.16, 649,447.29 and 133,337.76
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Solution
The fourth proportional to 432,908.16, 649,447.29 and 133,337.76 is: 200,032.84
Step by Step Solution
- Step 1: Write the proportion equation
432,908.16 : 649,447.29 = 133,337.76 : x - Step 2: Convert to fraction form
432,908.16/649,447.29 = 133,337.76/x - Step 3: Cross multiply
432,908.16x = 649,447.29 × 133,337.76 - Step 4: Simplify right side
432,908.16x = 86,595,846,886.67 - Step 5: Solve for x
x = 86,595,846,886.67/432,908.16 - Step 6: Final answer
x = 200,032.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.