Finding the Fourth Proportional to 351,078.84, 484,543.08 and 230,569.74
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Solution
The fourth proportional to 351,078.84, 484,543.08 and 230,569.74 is: 318,221.89
Step by Step Solution
- Step 1: Write the proportion equation
351,078.84 : 484,543.08 = 230,569.74 : x - Step 2: Convert to fraction form
351,078.84/484,543.08 = 230,569.74/x - Step 3: Cross multiply
351,078.84x = 484,543.08 × 230,569.74 - Step 4: Simplify right side
351,078.84x = 111,720,971,974.40 - Step 5: Solve for x
x = 111,720,971,974.40/351,078.84 - Step 6: Final answer
x = 318,221.89
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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.