Finding the Fourth Proportional to 162,225.83, 243,178.82 and 56,970.99
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Solution
The fourth proportional to 162,225.83, 243,178.82 and 56,970.99 is: 85,400.32
Step by Step Solution
- Step 1: Write the proportion equation
162,225.83 : 243,178.82 = 56,970.99 : x - Step 2: Convert to fraction form
162,225.83/243,178.82 = 56,970.99/x - Step 3: Cross multiply
162,225.83x = 243,178.82 × 56,970.99 - Step 4: Simplify right side
162,225.83x = 13,854,138,122.43 - Step 5: Solve for x
x = 13,854,138,122.43/162,225.83 - Step 6: Final answer
x = 85,400.32
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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.