Finding the Fourth Proportional to 148,969.19, 223,460.58 and 49,138.08
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Solution
The fourth proportional to 148,969.19, 223,460.58 and 49,138.08 is: 73,709.36
Step by Step Solution
- Step 1: Write the proportion equation
148,969.19 : 223,460.58 = 49,138.08 : x - Step 2: Convert to fraction form
148,969.19/223,460.58 = 49,138.08/x - Step 3: Cross multiply
148,969.19x = 223,460.58 × 49,138.08 - Step 4: Simplify right side
148,969.19x = 10,980,423,856.89 - Step 5: Solve for x
x = 10,980,423,856.89/148,969.19 - Step 6: Final answer
x = 73,709.36
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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.