Finding the Fourth Proportional to 126,599.94, 189,925.52 and 56,479.26
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Solution
The fourth proportional to 126,599.94, 189,925.52 and 56,479.26 is: 84,730.32
Step by Step Solution
- Step 1: Write the proportion equation
126,599.94 : 189,925.52 = 56,479.26 : x - Step 2: Convert to fraction form
126,599.94/189,925.52 = 56,479.26/x - Step 3: Cross multiply
126,599.94x = 189,925.52 × 56,479.26 - Step 4: Simplify right side
126,599.94x = 10,726,852,824.72 - Step 5: Solve for x
x = 10,726,852,824.72/126,599.94 - Step 6: Final answer
x = 84,730.32
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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.