Finding the Fourth Proportional to 199,521.68, 299,325.28 and 57,365.70
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Solution
The fourth proportional to 199,521.68, 299,325.28 and 57,365.70 is: 86,060.84
Step by Step Solution
- Step 1: Write the proportion equation
199,521.68 : 299,325.28 = 57,365.70 : x - Step 2: Convert to fraction form
199,521.68/299,325.28 = 57,365.70/x - Step 3: Cross multiply
199,521.68x = 299,325.28 × 57,365.70 - Step 4: Simplify right side
199,521.68x = 17,171,003,638.84 - Step 5: Solve for x
x = 17,171,003,638.84/199,521.68 - Step 6: Final answer
x = 86,060.84
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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.