Finding the Fourth Proportional to 507,521.84, 761,239.56 and 207,916.88
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Solution
The fourth proportional to 507,521.84, 761,239.56 and 207,916.88 is: 311,857.62
Step by Step Solution
- Step 1: Write the proportion equation
507,521.84 : 761,239.56 = 207,916.88 : x - Step 2: Convert to fraction form
507,521.84/761,239.56 = 207,916.88/x - Step 3: Cross multiply
507,521.84x = 761,239.56 × 207,916.88 - Step 4: Simplify right side
507,521.84x = 158,274,554,247.77 - Step 5: Solve for x
x = 158,274,554,247.77/507,521.84 - Step 6: Final answer
x = 311,857.62
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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.