Finding the Fourth Proportional to 348,293.23, 480,697.19 and 212,406.00
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Solution
The fourth proportional to 348,293.23, 480,697.19 and 212,406.00 is: 293,152.31
Step by Step Solution
- Step 1: Write the proportion equation
348,293.23 : 480,697.19 = 212,406.00 : x - Step 2: Convert to fraction form
348,293.23/480,697.19 = 212,406.00/x - Step 3: Cross multiply
348,293.23x = 480,697.19 × 212,406.00 - Step 4: Simplify right side
348,293.23x = 102,102,963,873.62 - Step 5: Solve for x
x = 102,102,963,873.62/348,293.23 - Step 6: Final answer
x = 293,152.31
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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.