Finding the Fourth Proportional to 135,479.07, 203,225.09 and 65,417.31
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Solution
The fourth proportional to 135,479.07, 203,225.09 and 65,417.31 is: 98,129.09
Step by Step Solution
- Step 1: Write the proportion equation
135,479.07 : 203,225.09 = 65,417.31 : x - Step 2: Convert to fraction form
135,479.07/203,225.09 = 65,417.31/x - Step 3: Cross multiply
135,479.07x = 203,225.09 × 65,417.31 - Step 4: Simplify right side
135,479.07x = 13,294,438,385.22 - Step 5: Solve for x
x = 13,294,438,385.22/135,479.07 - Step 6: Final answer
x = 98,129.09
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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.