Finding the Fourth Proportional to 432,239.12, 596,806.08 and 279,367.84
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Solution
The fourth proportional to 432,239.12, 596,806.08 and 279,367.84 is: 385,731.92
Step by Step Solution
- Step 1: Write the proportion equation
432,239.12 : 596,806.08 = 279,367.84 : x - Step 2: Convert to fraction form
432,239.12/596,806.08 = 279,367.84/x - Step 3: Cross multiply
432,239.12x = 596,806.08 × 279,367.84 - Step 4: Simplify right side
432,239.12x = 166,728,425,468.47 - Step 5: Solve for x
x = 166,728,425,468.47/432,239.12 - Step 6: Final answer
x = 385,731.92
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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.