Finding the Fourth Proportional to 247,434.48, 341,459.42 and 134,257.23
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Solution
The fourth proportional to 247,434.48, 341,459.42 and 134,257.23 is: 185,274.89
Step by Step Solution
- Step 1: Write the proportion equation
247,434.48 : 341,459.42 = 134,257.23 : x - Step 2: Convert to fraction form
247,434.48/341,459.42 = 134,257.23/x - Step 3: Cross multiply
247,434.48x = 341,459.42 × 134,257.23 - Step 4: Simplify right side
247,434.48x = 45,843,395,215.32 - Step 5: Solve for x
x = 45,843,395,215.32/247,434.48 - Step 6: Final answer
x = 185,274.89
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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.