Finding the Fourth Proportional to 165,328.20, 228,246.48 and 126,492.84
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Solution
The fourth proportional to 165,328.20, 228,246.48 and 126,492.84 is: 174,631.71
Step by Step Solution
- Step 1: Write the proportion equation
165,328.20 : 228,246.48 = 126,492.84 : x - Step 2: Convert to fraction form
165,328.20/228,246.48 = 126,492.84/x - Step 3: Cross multiply
165,328.20x = 228,246.48 × 126,492.84 - Step 4: Simplify right side
165,328.20x = 28,871,545,475.20 - Step 5: Solve for x
x = 28,871,545,475.20/165,328.20 - Step 6: Final answer
x = 174,631.71
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.