Finding the Fourth Proportional to 156,461.21, 234,598.08 and 49,799.09
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Solution
The fourth proportional to 156,461.21, 234,598.08 and 49,799.09 is: 74,668.80
Step by Step Solution
- Step 1: Write the proportion equation
156,461.21 : 234,598.08 = 49,799.09 : x - Step 2: Convert to fraction form
156,461.21/234,598.08 = 49,799.09/x - Step 3: Cross multiply
156,461.21x = 234,598.08 × 49,799.09 - Step 4: Simplify right side
156,461.21x = 11,682,769,726.76 - Step 5: Solve for x
x = 11,682,769,726.76/156,461.21 - Step 6: Final answer
x = 74,668.80
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1.5x scale
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.