Finding the Fourth Proportional to 353,989.84, 488,028.36 and 342,982.48
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Solution
The fourth proportional to 353,989.84, 488,028.36 and 342,982.48 is: 472,853.05
Step by Step Solution
- Step 1: Write the proportion equation
353,989.84 : 488,028.36 = 342,982.48 : x - Step 2: Convert to fraction form
353,989.84/488,028.36 = 342,982.48/x - Step 3: Cross multiply
353,989.84x = 488,028.36 × 342,982.48 - Step 4: Simplify right side
353,989.84x = 167,385,177,223.13 - Step 5: Solve for x
x = 167,385,177,223.13/353,989.84 - Step 6: Final answer
x = 472,853.05
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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.