Finding the Fourth Proportional to 163,730.08, 224,968.36 and 130,137.76
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Solution
The fourth proportional to 163,730.08, 224,968.36 and 130,137.76 is: 178,811.85
Step by Step Solution
- Step 1: Write the proportion equation
163,730.08 : 224,968.36 = 130,137.76 : x - Step 2: Convert to fraction form
163,730.08/224,968.36 = 130,137.76/x - Step 3: Cross multiply
163,730.08x = 224,968.36 × 130,137.76 - Step 4: Simplify right side
163,730.08x = 29,276,878,441.27 - Step 5: Solve for x
x = 29,276,878,441.27/163,730.08 - Step 6: Final answer
x = 178,811.85
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.