Finding the Fourth Proportional to 438,501.90, 657,558.45 and 201,722.70
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Solution
The fourth proportional to 438,501.90, 657,558.45 and 201,722.70 is: 302,494.62
Step by Step Solution
- Step 1: Write the proportion equation
438,501.90 : 657,558.45 = 201,722.70 : x - Step 2: Convert to fraction form
438,501.90/657,558.45 = 201,722.70/x - Step 3: Cross multiply
438,501.90x = 657,558.45 × 201,722.70 - Step 4: Simplify right side
438,501.90x = 132,644,465,941.82 - Step 5: Solve for x
x = 132,644,465,941.82/438,501.90 - Step 6: Final answer
x = 302,494.62
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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.