Finding the Fourth Proportional to 162,312.68, 224,053.92 and 145,286.84
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Solution
The fourth proportional to 162,312.68, 224,053.92 and 145,286.84 is: 200,551.71
Step by Step Solution
- Step 1: Write the proportion equation
162,312.68 : 224,053.92 = 145,286.84 : x - Step 2: Convert to fraction form
162,312.68/224,053.92 = 145,286.84/x - Step 3: Cross multiply
162,312.68x = 224,053.92 × 145,286.84 - Step 4: Simplify right side
162,312.68x = 32,552,086,026.41 - Step 5: Solve for x
x = 32,552,086,026.41/162,312.68 - Step 6: Final answer
x = 200,551.71
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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.