Finding the Fourth Proportional to 348,478.34, 522,576.80 and 135,133.92
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Solution
The fourth proportional to 348,478.34, 522,576.80 and 135,133.92 is: 202,646.32
Step by Step Solution
- Step 1: Write the proportion equation
348,478.34 : 522,576.80 = 135,133.92 : x - Step 2: Convert to fraction form
348,478.34/522,576.80 = 135,133.92/x - Step 3: Cross multiply
348,478.34x = 522,576.80 × 135,133.92 - Step 4: Simplify right side
348,478.34x = 70,617,851,485.06 - Step 5: Solve for x
x = 70,617,851,485.06/348,478.34 - Step 6: Final answer
x = 202,646.32
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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.