Finding the Fourth Proportional to 135,746.41, 203,648.87 and 40,968.66
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Solution
The fourth proportional to 135,746.41, 203,648.87 and 40,968.66 is: 61,461.82
Step by Step Solution
- Step 1: Write the proportion equation
135,746.41 : 203,648.87 = 40,968.66 : x - Step 2: Convert to fraction form
135,746.41/203,648.87 = 40,968.66/x - Step 3: Cross multiply
135,746.41x = 203,648.87 × 40,968.66 - Step 4: Simplify right side
135,746.41x = 8,343,221,314.41 - Step 5: Solve for x
x = 8,343,221,314.41/135,746.41 - Step 6: Final answer
x = 61,461.82
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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.