Finding the Fourth Proportional to 507,519.84, 761,236.56 and 207,914.88
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Solution
The fourth proportional to 507,519.84, 761,236.56 and 207,914.88 is: 311,854.62
Step by Step Solution
- Step 1: Write the proportion equation
507,519.84 : 761,236.56 = 207,914.88 : x - Step 2: Convert to fraction form
507,519.84/761,236.56 = 207,914.88/x - Step 3: Cross multiply
507,519.84x = 761,236.56 × 207,914.88 - Step 4: Simplify right side
507,519.84x = 158,272,408,024.01 - Step 5: Solve for x
x = 158,272,408,024.01/507,519.84 - Step 6: Final answer
x = 311,854.62
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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.