Finding the Fourth Proportional to 162,202.10, 243,303.15 and 117,619.70
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Solution
The fourth proportional to 162,202.10, 243,303.15 and 117,619.70 is: 176,429.55
Step by Step Solution
- Step 1: Write the proportion equation
162,202.10 : 243,303.15 = 117,619.70 : x - Step 2: Convert to fraction form
162,202.10/243,303.15 = 117,619.70/x - Step 3: Cross multiply
162,202.10x = 243,303.15 × 117,619.70 - Step 4: Simplify right side
162,202.10x = 28,617,243,512.06 - Step 5: Solve for x
x = 28,617,243,512.06/162,202.10 - Step 6: Final answer
x = 176,429.55
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1.5x scale
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.