Finding the Fourth Proportional to 148,968.19, 223,459.08 and 49,137.08
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Solution
The fourth proportional to 148,968.19, 223,459.08 and 49,137.08 is: 73,707.86
Step by Step Solution
- Step 1: Write the proportion equation
148,968.19 : 223,459.08 = 49,137.08 : x - Step 2: Convert to fraction form
148,968.19/223,459.08 = 49,137.08/x - Step 3: Cross multiply
148,968.19x = 223,459.08 × 49,137.08 - Step 4: Simplify right side
148,968.19x = 10,980,126,445.00 - Step 5: Solve for x
x = 10,980,126,445.00/148,968.19 - Step 6: Final answer
x = 73,707.86
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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.