Finding the Fourth Proportional to 163,312.20, 243,873.18 and 162,524.88
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Solution
The fourth proportional to 163,312.20, 243,873.18 and 162,524.88 is: 242,697.48
Step by Step Solution
- Step 1: Write the proportion equation
163,312.20 : 243,873.18 = 162,524.88 : x - Step 2: Convert to fraction form
163,312.20/243,873.18 = 162,524.88/x - Step 3: Cross multiply
163,312.20x = 243,873.18 × 162,524.88 - Step 4: Simplify right side
163,312.20x = 39,635,459,314.72 - Step 5: Solve for x
x = 39,635,459,314.72/163,312.20 - Step 6: Final answer
x = 242,697.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.