Finding the Fourth Proportional to 356,909.05, 535,412.81 and 207,219.84
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Solution
The fourth proportional to 356,909.05, 535,412.81 and 207,219.84 is: 310,858.35
Step by Step Solution
- Step 1: Write the proportion equation
356,909.05 : 535,412.81 = 207,219.84 : x - Step 2: Convert to fraction form
356,909.05/535,412.81 = 207,219.84/x - Step 3: Cross multiply
356,909.05x = 535,412.81 × 207,219.84 - Step 4: Simplify right side
356,909.05x = 110,948,156,822.15 - Step 5: Solve for x
x = 110,948,156,822.15/356,909.05 - Step 6: Final answer
x = 310,858.35
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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.