Finding the Fourth Proportional to 343,591.16, 515,386.68 and 201,652.40
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Solution
The fourth proportional to 343,591.16, 515,386.68 and 201,652.40 is: 302,478.56
Step by Step Solution
- Step 1: Write the proportion equation
343,591.16 : 515,386.68 = 201,652.40 : x - Step 2: Convert to fraction form
343,591.16/515,386.68 = 201,652.40/x - Step 3: Cross multiply
343,591.16x = 515,386.68 × 201,652.40 - Step 4: Simplify right side
343,591.16x = 103,928,960,950.03 - Step 5: Solve for x
x = 103,928,960,950.03/343,591.16 - Step 6: Final answer
x = 302,478.56
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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.