Finding the Fourth Proportional to 507,597.84, 761,353.20 and 207,992.88
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Solution
The fourth proportional to 507,597.84, 761,353.20 and 207,992.88 is: 311,971.47
Step by Step Solution
- Step 1: Write the proportion equation
507,597.84 : 761,353.20 = 207,992.88 : x - Step 2: Convert to fraction form
507,597.84/761,353.20 = 207,992.88/x - Step 3: Cross multiply
507,597.84x = 761,353.20 × 207,992.88 - Step 4: Simplify right side
507,597.84x = 158,356,044,765.22 - Step 5: Solve for x
x = 158,356,044,765.22/507,597.84 - Step 6: Final answer
x = 311,971.47
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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.