Finding the Fourth Proportional to 78,989.08, 118,490.88 and 22,828.48
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Solution
The fourth proportional to 78,989.08, 118,490.88 and 22,828.48 is: 34,244.82
Step by Step Solution
- Step 1: Write the proportion equation
78,989.08 : 118,490.88 = 22,828.48 : x - Step 2: Convert to fraction form
78,989.08/118,490.88 = 22,828.48/x - Step 3: Cross multiply
78,989.08x = 118,490.88 × 22,828.48 - Step 4: Simplify right side
78,989.08x = 2,704,966,684.26 - Step 5: Solve for x
x = 2,704,966,684.26/78,989.08 - Step 6: Final answer
x = 34,244.82
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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.