Finding the Fourth Proportional to 162,160.08, 243,350.87 and 56,979.06
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Solution
The fourth proportional to 162,160.08, 243,350.87 and 56,979.06 is: 85,507.50
Step by Step Solution
- Step 1: Write the proportion equation
162,160.08 : 243,350.87 = 56,979.06 : x - Step 2: Convert to fraction form
162,160.08/243,350.87 = 56,979.06/x - Step 3: Cross multiply
162,160.08x = 243,350.87 × 56,979.06 - Step 4: Simplify right side
162,160.08x = 13,865,903,537.89 - Step 5: Solve for x
x = 13,865,903,537.89/162,160.08 - Step 6: Final answer
x = 85,507.50
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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.