Finding the Fourth Proportional to 162,579.70, 243,869.55 and 162,579.70
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Solution
The fourth proportional to 162,579.70, 243,869.55 and 162,579.70 is: 243,869.55
Step by Step Solution
- Step 1: Write the proportion equation
162,579.70 : 243,869.55 = 162,579.70 : x - Step 2: Convert to fraction form
162,579.70/243,869.55 = 162,579.70/x - Step 3: Cross multiply
162,579.70x = 243,869.55 × 162,579.70 - Step 4: Simplify right side
162,579.70x = 39,648,238,278.14 - Step 5: Solve for x
x = 39,648,238,278.14/162,579.70 - Step 6: Final answer
x = 243,869.55
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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.