Finding the Fourth Proportional to 266,503.84, 367,770.96 and 145,643.68
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Solution
The fourth proportional to 266,503.84, 367,770.96 and 145,643.68 is: 200,985.91
Step by Step Solution
- Step 1: Write the proportion equation
266,503.84 : 367,770.96 = 145,643.68 : x - Step 2: Convert to fraction form
266,503.84/367,770.96 = 145,643.68/x - Step 3: Cross multiply
266,503.84x = 367,770.96 × 145,643.68 - Step 4: Simplify right side
266,503.84x = 53,563,516,011.53 - Step 5: Solve for x
x = 53,563,516,011.53/266,503.84 - Step 6: Final answer
x = 200,985.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.