Finding the Fourth Proportional to 447,044.03, 616,928.08 and 243,098.99
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Solution
The fourth proportional to 447,044.03, 616,928.08 and 243,098.99 is: 335,480.58
Step by Step Solution
- Step 1: Write the proportion equation
447,044.03 : 616,928.08 = 243,098.99 : x - Step 2: Convert to fraction form
447,044.03/616,928.08 = 243,098.99/x - Step 3: Cross multiply
447,044.03x = 616,928.08 × 243,098.99 - Step 4: Simplify right side
447,044.03x = 149,974,590,066.00 - Step 5: Solve for x
x = 149,974,590,066.00/447,044.03 - Step 6: Final answer
x = 335,480.58
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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.