Finding the Fourth Proportional to 201,643.84, 302,465.76 and 61,402.48
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Solution
The fourth proportional to 201,643.84, 302,465.76 and 61,402.48 is: 92,103.72
Step by Step Solution
- Step 1: Write the proportion equation
201,643.84 : 302,465.76 = 61,402.48 : x - Step 2: Convert to fraction form
201,643.84/302,465.76 = 61,402.48/x - Step 3: Cross multiply
201,643.84x = 302,465.76 × 61,402.48 - Step 4: Simplify right side
201,643.84x = 18,572,147,779.08 - Step 5: Solve for x
x = 18,572,147,779.08/201,643.84 - Step 6: Final answer
x = 92,103.72
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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.