Finding the Fourth Proportional to 716,199.63, 1,074,071.21 and 236,337.99
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Solution
The fourth proportional to 716,199.63, 1,074,071.21 and 236,337.99 is: 354,431.67
Step by Step Solution
- Step 1: Write the proportion equation
716,199.63 : 1,074,071.21 = 236,337.99 : x - Step 2: Convert to fraction form
716,199.63/1,074,071.21 = 236,337.99/x - Step 3: Cross multiply
716,199.63x = 1,074,071.21 × 236,337.99 - Step 4: Simplify right side
716,199.63x = 253,843,829,706.58 - Step 5: Solve for x
x = 253,843,829,706.58/716,199.63 - Step 6: Final answer
x = 354,431.67
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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.