Finding the Fourth Proportional to 245,594.81, 368,392.22 and 87,813.70
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Solution
The fourth proportional to 245,594.81, 368,392.22 and 87,813.70 is: 131,720.55
Step by Step Solution
- Step 1: Write the proportion equation
245,594.81 : 368,392.22 = 87,813.70 : x - Step 2: Convert to fraction form
245,594.81/368,392.22 = 87,813.70/x - Step 3: Cross multiply
245,594.81x = 368,392.22 × 87,813.70 - Step 4: Simplify right side
245,594.81x = 32,349,883,889.41 - Step 5: Solve for x
x = 32,349,883,889.41/245,594.81 - Step 6: Final answer
x = 131,720.55
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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.